cleanup

Makefile

@@ -1,10 +1,8 @@
-# Needs python3 >= 3.9, sed, git for build, docker for tests
+# Needs python3 >= 3.9, sed, git for build
 build: clean
 	python3 -m pip install -r requirements.txt --no-compile --target build
 	cp -r mail4one/ build/
 	sed -i "s/DEVELOMENT/$(shell scripts/get_version.sh)/" build/mail4one/version.py
-	find build -name "*.pyi" -o -name "py.typed" | xargs -I typefile rm typefile
-	rm -rf build/bin
 	rm -rf build/mail4one/__pycache__
 	rm -rf build/*.dist-info
 	python3 -m zipapp \
@@ -20,19 +18,17 @@ clean:
 docker-tests:
 	docker run --pull=always -v `pwd`:/app -w /app --rm python:3.11-alpine sh scripts/runtests.sh
 	docker run --pull=always -v `pwd`:/app -w /app --rm python:3.10-alpine sh scripts/runtests.sh
-	docker run --pull=always -v `pwd`:/app -w /app --rm python:3.12        sh scripts/runtests.sh
 	docker run --pull=always -v `pwd`:/app -w /app --rm python:3.11        sh scripts/runtests.sh
 	docker run --pull=always -v `pwd`:/app -w /app --rm python:3.10        sh scripts/runtests.sh
 	docker run --pull=always -v `pwd`:/app -w /app --rm python:3.9         sh scripts/runtests.sh
 
 # ============================================================================
-# Below targets for devs. Need pipenv, black installed
 
 requirements.txt: Pipfile.lock
 	pipenv requirements > requirements.txt
 
 format:
-	black mail4one/*py tests/*py
+	black mail4one/*py
 
 build-dev: requirements.txt build
 
@@ -42,11 +38,6 @@ setup:
 cleanup:
 	pipenv --rm
 
-update:
-	rm requirements.txt Pipfile.lock
-	pipenv update
-	pipenv requirements > requirements.txt
-
 shell:
 	MYPYPATH=`pipenv --venv`/lib/python3.11/site-packages pipenv shell
 	

Pipfile

@@ -8,6 +8,7 @@ name = "pypi"
 [packages]
 aiosmtpd = "*"
 python-jata = "*"
+asyncbasehttp = "*"
 
 [requires]
 python_version = "3"

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "5c16e20a67c73101d465516d657e21c6c1d3f853ae16dcfe782b7f9e8ba139e5"
+            "sha256": "6b224d3d72187a39e4fba357ffb4b162dc28994bd869c7960fcfd5acbb56c959"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -18,28 +18,35 @@
     "default": {
         "aiosmtpd": {
             "hashes": [
-                "sha256:78d7b14f859ad0e6de252b47f9cf1ca6f1c82a8b0f10a9e39bec7e915a6aa5fe",
-                "sha256:a196922f1903e54c4d37c53415b7613056d39e2b1e8249f324b9ee7a439be0f1"
+                "sha256:f821fe424b703b2ea391dc2df11d89d2afd728af27393e13cf1a3530f19fdc5e",
+                "sha256:f9243b7dfe00aaf567da8728d891752426b51392174a34d2cf5c18053b63dcbc"
             ],
             "index": "pypi",
-            "markers": "python_version >= '3.8'",
-            "version": "==1.4.5"
+            "version": "==1.4.4.post2"
+        },
+        "asyncbasehttp": {
+            "hashes": [
+                "sha256:2cea7b61113bb1e69d1c90f32919f004e7f56a7e1e2955e8a6286ce40f9da188",
+                "sha256:70fb983c4df630a9b63081cb8ef6d2e06beb51c89f42a88da6c9a9c7ebf9fb89"
+            ],
+            "index": "pypi",
+            "version": "==1.0"
         },
         "atpublic": {
             "hashes": [
-                "sha256:d1c8cd931af7461f6d18bc6063383e8654d9e9ef19d58ee6dc01e8515bbf55df",
-                "sha256:df90de1162b1a941ee486f484691dc7c33123ee638ea5d6ca604061306e0fdde"
+                "sha256:0f40433219e124edf115c6c363808ca6f0e1cfa7d160d86b2fb94793086d1294",
+                "sha256:80057c55641253b86dcb68b524f82328172371b6547d4c7462a9127fbfbbabfc"
             ],
             "markers": "python_version >= '3.8'",
-            "version": "==4.1.0"
+            "version": "==4.0"
         },
         "attrs": {
             "hashes": [
-                "sha256:935dc3b529c262f6cf76e50877d35a4bd3c1de194fd41f47a2b7ae8f19971f30",
-                "sha256:99b87a485a5820b23b879f04c2305b44b951b502fd64be915879d77a7e8fc6f1"
+                "sha256:1f28b4522cdc2fb4256ac1a020c78acf9cba2c6b461ccd2c126f3aa8e8335d04",
+                "sha256:6279836d581513a26f1bf235f9acd333bc9115683f14f7e8fae46c98fc50e015"
             ],
             "markers": "python_version >= '3.7'",
-            "version": "==23.2.0"
+            "version": "==23.1.0"
         },
         "python-jata": {
             "hashes": [
@@ -47,7 +54,6 @@
                 "sha256:ff4cd7ca75c9a8306b69ef6e878c296a5602f3279c6f9a82b6105b8eba764760"
             ],
             "index": "pypi",
-            "markers": "python_version >= '3.8'",
             "version": "==1.2"
         }
     },

README.md

@@ -1,6 +1,6 @@
 # Mail4one
 
-Personal mail server for a single user or a small family. Written in pure python with [minimal dependencies](Pipfile).
+Personal mail server for a single user or a small family. Written in pure python with minimal dependencies.
 Designed for dynamic alias based workflow where a different alias is used for each purpose.
 
 # Getting started
@@ -23,7 +23,7 @@ Mail4one only takes care of receiving and serving email. For sending email, use
 
 Most of them have generous free tier which is more than enough for personal use.
 
-Sending email is tricky. Even if everything is correctly setup (DMARC, DKIM, SPF), popular email vendors like google, microsoft may mark emails sent from your IP as spam for no reason. Hence using a dedicated service is the only reliable way to send emails.
+Sending email is tricky. Even if everything is correctly setup (DMARC, DKIM, SPF), popular email vendors like google, microsoft may mark emails sent from your IP as spam for no reason.
 
 # Community
 
@@ -62,7 +62,7 @@ This should generate `mail4one.pyz` in current folder. This is a [executable pyt
 * Write dedicated documentation
 * Test with more email clients ([Thunderbird](https://www.thunderbird.net/) and [k9mail](https://k9mail.app/) are tested now)
 * IMAP support
-* Web UI for editing config ([WIP](https://github.com/mail4one/mail4one/tree/webform))
+* Web UI for editing config
 * Support email submission from client to forward to other senders or direct delivery
 * Optional SPAM filtering
 * Optional DMARC,SPF,DKIM verification

deploy_configs/README.md

@@ -81,16 +81,15 @@ systemctl status mail4one
 Above command should fail as the TLS certificates don't exist yet.
 
 ## Setup TLS certificates 
-Install [certbot](https://certbot.eff.org/) and run below command. Follow instructions to create TLS certificates. Usually you want certificate for domain name like `mail.mydomain.com`
+Install [certbot](https://certbot.eff.org/) and run below command. Follow instructions to create TLS certificates. Usually you want certificate for domain name like `mail.example.com`
 ```sh
 sudo certbot certonly
+sudo cp /etc/letsencrypt/live/mail.example.com/{fullchain,privkey}.pem  /var/lib/mail4one/certs/
+sudo chown mail4one:mail4one /var/lib/mail4one/certs/{fullchain,privkey}.pem
 
-# **Edit** mail4one_cert_copy.sh to update your domain name
+# Edit mail4one_cert_copy.sh to update your domain name
 sudo cp mail4one_cert_copy.sh /etc/letsencrypt/renewal-hooks/deploy/
 sudo chmod +x /etc/letsencrypt/renewal-hooks/deploy/mail4one_cert_copy.sh
-
-# This will create and copy the certificates to the right path with correct permissions and ownership
-sudo certbot certonly -d mail.mydomain.com --run-deploy-hooks --dry-run
 ```
 ## Restart service and check logs
 ```sh
@@ -110,6 +109,6 @@ python3 -m http.server 25
 In local machine or a browser
 You should see file listing a, b, c. Repeat for port 465, 995 to make sure firewall rules and dns is working 
 ```sh
-curl http://mail.mydomain.com:25
+curl http://mail.example.com:25
 ```
 If not working, refer to VPS settings and OS firewall settings.

deploy_configs/mail4one_cert_copy.sh

@@ -2,26 +2,19 @@
 
 #  certbot deploy hook to copy certificates to mail4one when renewed.
 #  Initial setup, Install certbot(https://certbot.eff.org/) and run `certbot certonly` as root
-#  Doc: https://eff-certbot.readthedocs.io/en/latest/using.html#renewing-certificates
 #
 #  This file is supposed to be copied to /etc/letsencrypt/renewal-hooks/deploy/
 #  Change the mail domain to the one on MX record
 
-set -eu
+set -x
+
 
 if [ "$RENEWED_DOMAINS" = "mail.mydomain.com" ]
 then
-	app=mail4one
-	appuser=$app
-	certpath="/var/lib/$app/certs"
-
-	mkdir -p "$certpath"
-	chmod 750 "$certpath"
-
-	chown $appuser:$appuser "$certpath"
-	install -o "$appuser" -g "$appuser" -m 444 "$RENEWED_LINEAGE/fullchain.pem" -t "$certpath"
-	install -o "$appuser" -g "$appuser" -m 400 "$RENEWED_LINEAGE/privkey.pem" -t "$certpath"
-
-	systemctl restart $app.service
-	echo "$(date) Renewed and deployed certificates for $app" >> /var/log/cert-renew.log
+		mkdir -p /var/lib/mail4one/certs
+		chmod 750 /var/lib/mail4one/certs
+		chown mail4one:mail4one /var/lib/mail4one/certs
+		cp "$RENEWED_LINEAGE/fullchain.pem" /var/lib/mail4one/certs/
+		cp "$RENEWED_LINEAGE/privkey.pem" /var/lib/mail4one/certs/
+		systemctl restart mail4one.service
 fi

jsdev/.gitignore

@@ -0,0 +1 @@
+tmp

jsdev/air.toml

@@ -0,0 +1,44 @@
+root = "."
+testdata_dir = "testdata"
+tmp_dir = "tmp"
+
+[build]
+  args_bin = []
+  bin = "./tmp/main"
+  cmd = "cp ./restart.sh ./tmp/main"
+  delay = 0
+  exclude_dir = ["assets", "tmp", "vendor", "testdata"]
+  exclude_file = []
+  exclude_regex = ["_test.go"]
+  exclude_unchanged = false
+  follow_symlink = false
+  full_bin = ""
+  include_dir = []
+  include_ext = ["go", "tpl", "tmpl", "html"]
+  include_file = []
+  kill_delay = "0s"
+  log = "build-errors.log"
+  poll = false
+  poll_interval = 0
+  rerun = false
+  rerun_delay = 500
+  send_interrupt = false
+  stop_on_error = false
+
+[color]
+  app = ""
+  build = "yellow"
+  main = "magenta"
+  runner = "green"
+  watcher = "cyan"
+
+[log]
+  main_only = false
+  time = false
+
+[misc]
+  clean_on_exit = false
+
+[screen]
+  clear_on_rebuild = false
+  keep_scroll = true

jsdev/index.html

@@ -0,0 +1,473 @@
+<!doctype html>
+<html>
+    <head>
+        <meta charset="utf-8">
+        <meta name="viewport" content="width=device-width, initial-scale=1">
+        <link rel="icon" href="data:;base64,iVBORw0KGgo=">
+        <title>Mail4one Web config</title>
+        <script type="application/json" id="m41config">
+            {
+              "matches": [
+                {
+                  "name": "mydomain",
+                  "addr_rexs": [
+                    ".*@mydomain.com",
+                    ".*@m.mydomain.com"
+                  ]
+                },
+                {
+                  "name": "personal",
+                  "addrs": [
+                    "first.last@mydomain.com",
+                    "secret.name@mydomain.com"
+                  ]
+                }
+              ],
+              "boxes": [
+                {
+                  "name": "spam",
+                  "rules": [
+                    {
+                      "match_name": "mydomain",
+                      "negate": true,
+                      "stop_check": true
+                    }
+                  ]
+                },
+                {
+                  "name": "important",
+                  "rules": [
+                    {
+                      "match_name": "personal"
+                    }
+                  ]
+                },
+                {
+                  "name": "all",
+                  "rules": [
+                    {
+                      "match_name": "default_match_all"
+                    }
+                  ]
+                }
+              ],
+              "users": [
+                {
+                  "username": "mymobile",
+                  "password_hash": "AFTY5EVN7AX47ZL7UMH3BETYWFBTAV3XHR73CEFAJBPN2NIHPWDZHV2UQSMSPHSQQ2A2BFQBNC77VL7F2UKATQNJZGYLCSU6C43UQDAQXWXSWNGAEPGIMG2F3QDKBXL3MRHY6K2BPID64ZR6LABLPVSF",
+                  "mbox": "important"
+                },
+                {
+                  "username": "mydesk",
+                  "password_hash": "AFTY5EVN7AX47ZL7UMH3BETYWFBTAV3XHR73CEFAJBPN2NIHPWDZHV2UQSMSPHSQQ2A2BFQBNC77VL7F2UKATQNJZGYLCSU6C43UQDAQXWXSWNGAEPGIMG2F3QDKBXL3MRHY6K2BPID64ZR6LABLPVSF",
+                  "mbox": "all"
+                }
+              ]
+            }
+        </script>
+        <style>
+
+td {
+    padding: 5px;
+}
+
+            table {
+                border: 2px solid;
+            }
+
+            thead {
+                background-color: orange;
+            }
+
+            h1.page-title {
+                background-color: orange;
+            }
+
+            h3 {
+                text-align: center;
+            }
+
+            .outer {
+                display: flex;
+                justify-content: center;
+                background: grey;
+            }
+
+            .inner {
+                display: flex;
+                flex-direction: column;
+                align-items: center;
+                border: 2px solid;
+                background-color: lightyellow;
+                padding: 10px;
+                justify-content: space-around;
+                margin: 10px;
+                width: 1200px;
+            }
+            .m41-box {
+                display: grid;
+                grid-template-columns: 1fr 3fr;
+                margin: 10px;
+                // background-color: lightblue;
+            }
+
+            .multiline {
+                text-align: left;
+                padding: 5px;
+                padding-left: 15px;
+            }
+
+
+            #web-cfg-matches {
+                width: 90%;
+                text-align: center;
+            }
+
+            #web-cfg-matches tbody tr:nth-of-type(odd) {
+                background: lightblue;
+            }
+
+            #web-cfg-matches tbody tr:nth-of-type(even) {
+                background: lightgrey;
+            }
+
+            #web-cfg-boxes {
+                text-align: center;
+                width: 90%;
+                // display: grid;
+                // grid-template-columns: 1fr ;
+                //justify-content: space-around;
+                // justify-content: flex-start;
+                // background-color: blue;
+            }
+
+            #web-cfg-boxes tbody:nth-of-type(odd) {
+                background: lightblue;
+            }
+
+            #web-cfg-boxes tbody:nth-of-type(even) {
+                background: lightgrey;
+            }
+
+            #web-cfg-boxes tbody tr td div.dummy{
+                display: none;
+            }
+
+            #web-cfg-boxes tbody tr td div button.dummy {
+                display: none;
+            }
+
+            #web-cfg-boxes tbody:first-of-type tr td.box div button.up.dummy {
+                display: block;
+            }
+
+            #web-cfg-boxes tbody:first-of-type tr td.box div button.up.real {
+                display: none;
+            }
+
+            #web-cfg-boxes tbody:last-of-type tr td.box div button.down.dummy {
+                display: block;
+            }
+
+            #web-cfg-boxes tbody:last-of-type tr td.box div button.down.real {
+                display: none;
+            }
+
+            #web-cfg-boxes tbody:only-of-type tr td.box div.real {
+                display: none;
+            }
+
+            #web-cfg-boxes tbody:only-of-type tr td.box div.dummy {
+                display: flex;
+            }
+
+            td.box {
+                display: flex;
+                justify-content: center;
+            }
+
+            .button-group {
+                display: flex;
+                justify-content: center;
+            }
+
+        </style>
+        <script type="application/javascript">
+            "use strict"
+
+            // Globals
+            let server_config
+            let matches_table
+            let match_row_template
+            let boxes_table
+            let box_template
+            // let rule_template
+
+            function initGlobals() {
+
+                server_config = JSON.parse(document.getElementById('m41config').text)
+                matches_table = document.getElementById("web-cfg-matches")
+                match_row_template = document.getElementById("web-cfg-matches-row")
+                boxes_table = document.getElementById("web-cfg-boxes")
+                box_template = document.getElementById("web-cfg-box")
+                // rule_template = document.getElementById("web-cfg-boxes-rule-li")
+            }
+
+            function populate_match_table(matches_config) {
+
+                for (const { name: match_name, addrs, addr_rexs } of matches_config) {
+
+                    const [match_type, match_values] = (() => {
+
+                        if (addrs != undefined) {
+                            return ["addrs", addrs]
+                        } else {
+                            return ["addr_rexs", addr_rexs]
+                        }
+                    })()
+
+
+                    addMatchRow()
+                    const last_row = matches_table.tBodies[0].lastElementChild
+                    const [ ,name_cell, {firstElementChild: type_select}, value_cell ] = last_row.cells
+
+                    name_cell.innerText = match_name
+                    type_select.value = match_type
+                    value_cell.innerText = match_values.join("\n")
+                }
+            }
+
+            function extract_match_table() {
+
+                let matches = []
+                for (let row of matches_table.tBodies[0].rows) {
+
+                    const [ ,name_cell, {firstElementChild: type_select}, value_cell ] = row.cells
+                    let m = {"name" : name_cell.innerText}
+                    switch (type_select.value) {
+                        case "addrs":
+                            m["addrs"] = value_cell.innerText.split("\n")
+                            break
+                        case "addr_rexs":
+                            m["addr_rexs"] = value_cell.innerText.split("\n")
+                            break
+                    }
+                    matches.push(m)
+                }
+                return matches
+            }
+
+            function addMatchRow() {
+
+                let row_clone = match_row_template.content.cloneNode(true)
+                matches_table.tBodies[0].appendChild(row_clone)
+            }
+
+            function populate_boxes_list(boxes_config) {
+
+                for (const {name:box_name, rules} of boxes_config) {
+
+                    addBox()
+                    const tbody = boxes_table.lastElementChild
+                    const box = tbody.firstElementChild
+                    // console.log(box)
+                    const [, 
+                        {children: [box_text, ]},
+                        ,
+                        {firstElementChild: match_select},
+                        {firstElementChild: negate_check},
+                        {firstElementChild: stop_check},
+                    ] = box.children
+
+                    box_text.value = box_name
+
+                    const [first_rule, ...rest] = rules
+
+                    const {match_name, negate = false, stop = false} = first_rule
+
+                    match_select.value = match_name
+                    negate_check.checked = negate
+                    stop_check.checked = stop
+
+                    for (const {match_name, negate = false, stop_check = false} of rest ) {
+
+                        addRule(box)
+                        const rule = tbody.lastElementChild
+                        const [, 
+                            {firstElementChild: match_select}, 
+                            {firstElementChild: negateCheck}, 
+                            {firstElementChild: stopCheck} 
+                        ] = rule.children
+                        match_select.value = match_name
+                        negate_check.checked = negate
+                        stop_check.checked = stop
+                    }
+                }
+            }
+
+            function addRule(box) {
+                box.parentElement.appendChild(box.cloneNode(true))
+                box.children[0].rowSpan++;
+                box.children[1].rowSpan++;
+                const newrule = box.parentElement.lastElementChild
+                newrule.removeClass("fist-tr")
+                newrule.firstElementChild.remove()
+                newrule.firstElementChild.remove()
+            }
+
+            function addBox() {
+                let box_clone = box_template.content.cloneNode(true)
+                boxes_table.appendChild(box_clone)
+            }
+
+
+            function moveUp(button) {
+                const li = button.parentElement.parentElement.parentElement
+                if (li.previousElementSibling != null) {
+                    li.parentNode.insertBefore(li, li.previousElementSibling)
+                }
+            }
+
+            function moveDown(button) {
+                const li = button.parentElement.parentElement.parentElement
+                if (li.nextElementSibling != null) {
+                    li.parentNode.insertBefore(li.nextElementSibling, li)
+                }
+            }
+
+            function main() {
+
+                initGlobals()
+                populate_match_table(server_config["matches"])
+                save()
+                document.getElementById("before").innerText = JSON.stringify(server_config["matches"], null, 2)
+                populate_boxes_list(server_config["boxes"])
+            }
+
+            function save() {
+
+                const matches = extract_match_table() 
+                document.getElementById("after").innerText = JSON.stringify(matches, null, 2)
+            }
+
+        </script>
+    </head>
+    <body onload="main()">
+        <template id="web-cfg-matches-row">
+            <tr>
+                <td><button onClick="this.parentElement.parentElement.remove()">✗</button></td>
+                <td contentEditable></td>
+                <td>
+                    <select>
+                        <option value="addrs">List of addresses</option>
+                        <option value="addr_rexs">List of regexes for addresses</option>
+                    </select>
+                </td>
+                <td contentEditable class="multiline"></td>
+            </tr>
+        </template>
+        <template id="web-cfg-box">
+            <tbody>
+                <tr>
+                    <td class="box">
+                        <div class="button-group dummy">
+                            <button disabled>✗</button>
+                            <button disabled>↑</button>
+                            <button disabled>↓</button>
+                        </div>
+                        <div class="button-group real">
+                            <button onClick="this.parentElement.parentElement.parentElement.parentElement.remove()">✗</button>
+                            <button onClick="moveBoxUp(this)" class="real up">↑</button>
+                            <button disabled class="dummy up">↑</button>
+                            <button onClick="moveBoxDown(this)" class="real down">↓</button>
+                            <button disabled class="dummy down">↓</button>
+                        </div>
+                        <button onClick="addRule(this.parentElement.parentElement)">+</button>
+                    </td>
+                    <td contentEditable>
+                        <input type="text" contentEditable>
+                    </td>
+                    <td class="rule">
+                        <div class="button-group dummy">
+                            <button disabled>✗</button>
+                            <button disabled>↑</button>
+                            <button disabled>↓</button>
+                        </div>
+                        <div class="button-group real">
+                            <button onClick="this.parentElement.parentElement.parentElement.remove()">✗</button>
+                            <button onClick="moveRuleUp(this)" class="real up">↑</button>
+                            <button disabled class="dummy up">↑</button>
+                            <button onClick="moveRuleDown(this)" class="real down">↓</button>
+                            <button disabled class="dummy down">↓</button>
+                        </div>
+                    </td>
+                    <td>
+                        <select></select>
+                    </td>
+                    <td>
+                        <input type=checkbox>
+                    </td>
+                    <td>
+                        <input type=checkbox>
+                    </td>
+                </tr>
+            </tbody>
+        </template>
+        <div class="outer">
+            <div class="inner">
+                <h1 class="page-title">Mail4one Web config</h1>
+                <div id="top-menu">
+                    <button onClick="save()">Previous</button>
+                    <button onClick="save()">Matches</button>
+                    <button onClick="save()">Boxes</button>
+                    <button onClick="save()">Users</button>
+                    <button onClick="save()">JSON</button>
+                    <button onClick="save()">Next</button>
+                </div>
+                <div id="match-page">
+                    <h3> Matches </h3>
+                    <table id="web-cfg-matches">
+                        <thead>
+                            <tr>
+                                <th>
+                                    <button onClick="addMatchRow()">+</button>
+                                </th>
+                                <th>Match</th>
+                                <th>Type</th>
+                                <th>Values</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                        </tbody>
+                    </table>
+                </div>
+
+                <div id=box-page">
+                    <h3>Boxes</h3>
+
+                    <table id="web-cfg-boxes">
+                        <thead>
+                            <tr>
+                                <th><button onClick="addBox()">+</button></th>
+                                <th>Mailbox</th>
+                                <th></th>
+                                <th>Match</th>
+                                <th>Invert</th>
+                                <th>Stop</th>
+                            </tr>
+                        </thead>
+                    </table>
+                </div>
+
+                <hr>
+
+                <h3>Before</h3>
+                <pre id="before"></pre>
+                <hr>
+                <h3>After</h3>
+                <pre id="after"></pre>
+                <hr>
+            </div>
+        </div>
+    </body>
+</html>

jsdev/restart.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+# kill "$(cat current.pid)"
+
+# echo "starting python server"
+
+python3 -m http.server
+
+# echo $! > current.pid
+
+# echo "started python server"

mail4one/config.py

@@ -56,14 +56,13 @@ class PopCfg(ServerCfg):
 
 class SmtpStartTLSCfg(ServerCfg):
     server_type = "smtp_starttls"
-    require_starttls = True
-    smtputf8 = True
+    smtputf8 = True  # Not used yet
     port = 25
 
 
 class SmtpCfg(ServerCfg):
-    server_type = "smtp"
-    smtputf8 = True
+    server_type = "smtp_starttls"
+    smtputf8 = True  # Not used yet
     port = 465
 
 

mail4one/pop3.py

@@ -2,8 +2,11 @@ import asyncio
 import contextlib
 import contextvars
 import logging
+import os
 import ssl
+import uuid
 from dataclasses import dataclass
+from hashlib import sha256
 from pathlib import Path
 from .config import User
 from .pwhash import parse_hash, check_pass, PWInfo
@@ -26,7 +29,7 @@ from .poputils import (
     end,
     Request,
     MailEntry,
-    get_mail_fp,
+    get_mail,
     get_mails_list,
     MailList,
 )
@@ -214,12 +217,7 @@ def trans_command_retr(mails: MailList, req: Request) -> None:
     entry = mails.get(req.arg1)
     if entry:
         write(ok("Contents follow"))
-        with get_mail_fp(entry) as fp:
-            for line in fp:
-                if line.startswith(b"."):
-                    write(b".")  # prepend dot
-                write(line)
-        # write(get_mail(entry)) # no prepend dot
+        write(get_mail(entry))
         write(end())
         mails.delete(req.arg1)
     else:
@@ -388,14 +386,13 @@ def debug_main():
     logging.basicConfig(level=logging.DEBUG)
 
     import sys
-    from .pwhash import gen_pwhash
 
-    _, mails_path, mbox = sys.argv
+    _, mails_path, port, password = sys.argv
 
     mails_path = Path(mails_path)
-    users = [User(username="dummy", password_hash=gen_pwhash("dummy"), mbox=mbox)]
+    port = int(port)
 
-    asyncio.run(a_main("127.0.0.1", 1101, mails_path, users=users))
+    asyncio.run(a_main(mails_path, port, password_hash=password_hash))
 
 
 if __name__ == "__main__":

mail4one/poputils.py

@@ -2,7 +2,6 @@ import os
 from dataclasses import dataclass
 from enum import Enum, auto
 from pathlib import Path
-from contextlib import contextmanager
 
 
 class ClientError(Exception):
@@ -125,12 +124,6 @@ def set_nid(entries: list[MailEntry]):
         entry.nid = i
 
 
-@contextmanager
-def get_mail_fp(entry: MailEntry):
-    with open(entry.path, mode="rb") as fp:
-        yield fp
-
-
 def get_mail(entry: MailEntry) -> bytes:
     with open(entry.path, mode="rb") as fp:
         return fp.read()

mail4one/pwhash.py

@@ -16,6 +16,8 @@ VERSION = b"\x01"
 SALT_LEN = 30
 KEY_LEN = 64  # This is python default
 
+# len(VERSION) + SALT_LEN + KEY_LEN should be multiple of 5 to avoid base32 padding
+
 
 def gen_pwhash(password: str) -> str:
     salt = os.urandom(SALT_LEN)

mail4one/server.py

@@ -1,6 +1,8 @@
 import asyncio
 import logging
+import os
 import ssl
+import sys
 from argparse import ArgumentParser
 from pathlib import Path
 from getpass import getpass
@@ -8,6 +10,7 @@ from getpass import getpass
 from .smtp import create_smtp_server_starttls, create_smtp_server
 from .pop3 import create_pop_server
 from .version import VERSION
+from .web_config import create_web_config_server
 
 from . import config
 from . import pwhash
@@ -84,8 +87,6 @@ async def a_main(cfg: config.Config) -> None:
                 mails_path=Path(cfg.mails_path),
                 mbox_finder=mbox_finder,
                 ssl_context=stls_context,
-                require_starttls=stls.require_starttls,
-                smtputf8=stls.smtputf8,
             )
             servers.append(smtp_server_starttls)
         elif scfg.server_type == "smtp":
@@ -96,9 +97,16 @@ async def a_main(cfg: config.Config) -> None:
                 mails_path=Path(cfg.mails_path),
                 mbox_finder=mbox_finder,
                 ssl_context=get_tls_context(smtp.tls),
-                smtputf8=smtp.smtputf8,
             )
             servers.append(smtp_server)
+        elif scfg.server_type == "web_config":
+            web = config.ServerCfg(scfg)
+            web_server = await create_web_config_server(
+                host=get_host(web.host),
+                port=web.port,
+                ssl_context=get_tls_context(web.tls),
+            )
+            servers.append(web_server)
         else:
             logging.error(f"Unknown server {scfg.server_type=}")
 

mail4one/smtp.py

@@ -1,5 +1,7 @@
 import asyncio
+import io
 import logging
+import mailbox
 import ssl
 import uuid
 import shutil
@@ -11,9 +13,11 @@ from email.message import Message
 import email.policy
 from email.generator import BytesGenerator
 import tempfile
+import random
 
-from aiosmtpd.handlers import AsyncMessage
-from aiosmtpd.smtp import SMTP
+from aiosmtpd.handlers import Mailbox, AsyncMessage
+from aiosmtpd.smtp import SMTP, DATA_SIZE_DEFAULT
+from aiosmtpd.smtp import SMTP as SMTPServer
 from aiosmtpd.smtp import Envelope as SMTPEnvelope
 from aiosmtpd.smtp import Session as SMTPSession
 
@@ -27,7 +31,7 @@ class MyHandler(AsyncMessage):
         self.mbox_finder = mbox_finder
 
     async def handle_DATA(
-        self, server: SMTP, session: SMTPSession, envelope: SMTPEnvelope
+        self, server: SMTPServer, session: SMTPSession, envelope: SMTPEnvelope
     ) -> str:
         self.rcpt_tos = envelope.rcpt_tos
         self.peer = session.peer
@@ -59,20 +63,16 @@ class MyHandler(AsyncMessage):
 
 
 def protocol_factory_starttls(
-    mails_path: Path,
-    mbox_finder: Callable[[str], list[str]],
-    context: ssl.SSLContext,
-    require_starttls: bool,
-    smtputf8: bool,
+    mails_path: Path, mbox_finder: Callable[[str], list[str]], context: ssl.SSLContext
 ):
     logger.info("Got smtp client cb starttls")
     try:
         handler = MyHandler(mails_path, mbox_finder)
         smtp = SMTP(
             handler=handler,
-            require_starttls=require_starttls,
+            require_starttls=True,
             tls_context=context,
-            enable_SMTPUTF8=smtputf8,
+            enable_SMTPUTF8=True,
         )
     except:
         logger.exception("Something went wrong")
@@ -80,13 +80,11 @@ def protocol_factory_starttls(
     return smtp
 
 
-def protocol_factory(
-    mails_path: Path, mbox_finder: Callable[[str], list[str]], smtputf8: bool
-):
+def protocol_factory(mails_path: Path, mbox_finder: Callable[[str], list[str]]):
     logger.info("Got smtp client cb")
     try:
         handler = MyHandler(mails_path, mbox_finder)
-        smtp = SMTP(handler=handler, enable_SMTPUTF8=smtputf8)
+        smtp = SMTP(handler=handler, enable_SMTPUTF8=True)
     except:
         logger.exception("Something went wrong")
         raise
@@ -99,22 +97,13 @@ async def create_smtp_server_starttls(
     mails_path: Path,
     mbox_finder: Callable[[str], list[str]],
     ssl_context: ssl.SSLContext,
-    require_starttls: bool,
-    smtputf8: bool,
 ) -> asyncio.Server:
     logging.info(
         f"Starting SMTP STARTTLS server {host=}, {port=}, {mails_path=!s}, {ssl_context != None=}"
     )
     loop = asyncio.get_event_loop()
     return await loop.create_server(
-        partial(
-            protocol_factory_starttls,
-            mails_path,
-            mbox_finder,
-            ssl_context,
-            require_starttls,
-            smtputf8,
-        ),
+        partial(protocol_factory_starttls, mails_path, mbox_finder, ssl_context),
         host=host,
         port=port,
         start_serving=False,
@@ -126,15 +115,14 @@ async def create_smtp_server(
     port: int,
     mails_path: Path,
     mbox_finder: Callable[[str], list[str]],
-    ssl_context: Optional[ssl.SSLContext],
-    smtputf8: bool,
+    ssl_context: Optional[ssl.SSLContext] = None,
 ) -> asyncio.Server:
     logging.info(
         f"Starting SMTP server {host=}, {port=}, {mails_path=!s}, {ssl_context != None=}"
     )
     loop = asyncio.get_event_loop()
     return await loop.create_server(
-        partial(protocol_factory, mails_path, mbox_finder, smtputf8),
+        partial(protocol_factory, mails_path, mbox_finder),
         host=host,
         port=port,
         ssl=ssl_context,

mail4one/template_web_config.html

@@ -0,0 +1,88 @@
+<!doctype html>
+<html>
+    <head>
+        <title>Mail4one Web config</title>
+        <script type="application/json" id="m41config">
+            {
+              "matches": [
+                {
+                  "name": "mydomain",
+                  "addr_rexs": [
+                    ".*@mydomain.com",
+                    ".*@m.mydomain.com"
+                  ]
+                },
+                {
+                  "name": "personal",
+                  "addrs": [
+                    "first.last@mydomain.com",
+                    "secret.name@mydomain.com"
+                  ]
+                }
+              ],
+              "boxes": [
+                {
+                  "name": "spam",
+                  "rules": [
+                    {
+                      "match_name": "mydomain",
+                      "negate": true,
+                      "stop_check": true
+                    }
+                  ]
+                },
+                {
+                  "name": "important",
+                  "rules": [
+                    {
+                      "match_name": "personal"
+                    }
+                  ]
+                },
+                {
+                  "name": "all",
+                  "rules": [
+                    {
+                      "match_name": "default_match_all"
+                    }
+                  ]
+                }
+              ],
+              "users": [
+                {
+                  "username": "mymobile",
+                  "password_hash": "AFTY5EVN7AX47ZL7UMH3BETYWFBTAV3XHR73CEFAJBPN2NIHPWDZHV2UQSMSPHSQQ2A2BFQBNC77VL7F2UKATQNJZGYLCSU6C43UQDAQXWXSWNGAEPGIMG2F3QDKBXL3MRHY6K2BPID64ZR6LABLPVSF",
+                  "mbox": "important"
+                },
+                {
+                  "username": "mydesk",
+                  "password_hash": "AFTY5EVN7AX47ZL7UMH3BETYWFBTAV3XHR73CEFAJBPN2NIHPWDZHV2UQSMSPHSQQ2A2BFQBNC77VL7F2UKATQNJZGYLCSU6C43UQDAQXWXSWNGAEPGIMG2F3QDKBXL3MRHY6K2BPID64ZR6LABLPVSF",
+                  "mbox": "all"
+                }
+              ]
+            }
+        </script>
+        <script type="application/javascript">
+            function main() {
+                document.write("hello world")
+            }
+        </script>
+    </head>
+    <body onload="main()">
+        <template id="web-cfg-matches-row">
+            <tr>
+                <td>Name</td>
+                <td>Type</td>
+                <td>Values</td>
+            </tr>
+        </template>
+        <h1>Mail4one Web config</h1>
+        <table id="web-cfg-matches">
+            <tr>
+                <th>Name</th>
+                <th>Type</th>
+                <th>Values</th>
+            </tr>
+        </table>
+    </body>
+</html>

mail4one/web_config.py

@@ -0,0 +1,80 @@
+import asyncio
+from asyncbasehttp import request_handler, Request, Response, RequestHandler
+from typing import Optional, Tuple
+import ssl
+import logging
+from pprint import pprint
+import http
+from base64 import b64decode
+from .pwhash import gen_pwhash, parse_hash, PWInfo, check_pass
+import pkgutil
+
+def get_template() -> bytes:
+    if data:= pkgutil.get_data('mail4one', 'template_web_config.html'):
+        return data
+    raise Exception("Failed to get template data from 'template_web_config.html'")
+
+
+def get_dummy_pwinfo() -> PWInfo:
+    pwhash = gen_pwhash("world")
+    return parse_hash(pwhash)
+
+
+class WebonfigHandler(RequestHandler):
+    def __init__(self, username: str, pwinfo: PWInfo):
+        self.username = username.encode()
+        self.pwinfo = pwinfo
+        self.auth_required = True
+
+    def do_auth(self, req: Request) -> Tuple[bool, Optional[Response]]:
+
+        def resp_unauthorized():
+            resp = Response.no_body_response(http.HTTPStatus.UNAUTHORIZED)
+            resp.add_header("WWW-Authenticate", 'Basic realm="Mail4one"')
+            return resp
+
+        auth_header = req.headers["Authorization"]
+
+        if not auth_header:
+            return False, resp_unauthorized()
+
+        if not auth_header.startswith("Basic "):
+            logging.error("Authorization header malformed")
+            return False, Response.no_body_response(http.HTTPStatus.BAD_REQUEST)
+
+        userpassb64 = auth_header[len("Basic ") :]
+        try:
+            userpass = b64decode(userpassb64)
+            username, password = userpass.split(b":")
+        except:
+            logging.exception("bad request")
+            return False, Response.no_body_response(http.HTTPStatus.BAD_REQUEST)
+
+        if username == self.username and check_pass(password.decode(), self.pwinfo):
+            return True, None
+
+        return False, resp_unauthorized()
+        
+
+    async def process_request(self, req: Request) -> Response:
+        if self.auth_required:
+            ok, resp = self.do_auth(req)
+            if not ok:
+                if resp:
+                    return resp
+                else: # To silence mypy
+                    raise Exception("Something went wrong!")
+        return Response.create_ok_response(get_template())
+
+
+async def create_web_config_server(
+    host: str, port: int, ssl_context: Optional[ssl.SSLContext]
+) -> asyncio.Server:
+    logging.info(f"template: {get_template().decode()}")
+    logging.info(f"Starting Webconfig server {host=}, {port=}, {ssl_context != None=}")
+    return await asyncio.start_server(
+        WebonfigHandler("hello", get_dummy_pwinfo()),
+        host=host,
+        port=port,
+        ssl=ssl_context,
+    )

requirements.txt

@@ -1,5 +1,5 @@
 -i https://pypi.org/simple
-aiosmtpd==1.4.5; python_version >= '3.8'
-atpublic==4.1.0; python_version >= '3.8'
-attrs==23.2.0; python_version >= '3.7'
-python-jata==1.2; python_version >= '3.8'
+aiosmtpd==1.4.4.post2
+atpublic==4.0 ; python_version >= '3.8'
+attrs==23.1.0 ; python_version >= '3.7'
+python-jata==1.2

scripts/get_version.sh

@@ -8,7 +8,7 @@ then
 		tag_val=$(git describe --dirty=DIRTY --exact-match)
 		case "$tag_val" in 
 				*DIRTY)
-						echo "git-$commit-changes"
+						echo "git=$commit-changes"
 						;;
 				v*) # Only consider tags starting with v
 						echo "$tag_val"

tests/test_config.py

@@ -67,11 +67,10 @@ class TestConfig(unittest.TestCase):
     def test_get_mboxes(self) -> None:
         cfg = config.Config(TEST_CONFIG)
         rules = config.parse_checkers(cfg)
-        self.assertEqual(config.get_mboxes("foo@bar.com", rules), ["spam"])
-        self.assertEqual(config.get_mboxes("foo@mydomain.com", rules), ["all"])
-        self.assertEqual(
-            config.get_mboxes("first.last@mydomain.com", rules), ["important", "all"]
-        )
+        self.assertEqual(config.get_mboxes("foo@bar.com", rules), ['spam'])
+        self.assertEqual(config.get_mboxes("foo@mydomain.com", rules), ['all'])
+        self.assertEqual(config.get_mboxes("first.last@mydomain.com", rules),
+                         ['important', 'all'])
 
 
 if __name__ == "__main__":

tests/test_pop.py

@@ -4,29 +4,20 @@ import logging
 import tempfile
 import time
 import os
-import poplib
 from mail4one.pop3 import create_pop_server
 from mail4one.config import User
 from pathlib import Path
 
-TEST_HASH = "".join(
-    """
+TEST_HASH = "".join(c for c in """
 AFTY5EVN7AX47ZL7UMH3BETYWFBTAV3XHR73CEFAJBPN2NIHPWD
 ZHV2UQSMSPHSQQ2A2BFQBNC77VL7F2UKATQNJZGYLCSU6C43UQD
 AQXWXSWNGAEPGIMG2F3QDKBXL3MRHY6K2BPID64ZR6LABLPVSF
-""".split()
-)
+""" if not c.isspace())
 
-TEST_USER = "foobar"
-TEST_MBOX = "foobar_mails"
+TEST_USER = 'foobar'
+TEST_MBOX = 'foobar_mails'
 
-TEST_USER2 = "foo2"
-TEST_MBOX2 = "foo2mails"
-
-USERS = [
-    User(username=TEST_USER, password_hash=TEST_HASH, mbox=TEST_MBOX),
-    User(username=TEST_USER2, password_hash=TEST_HASH, mbox=TEST_MBOX2),
-]
+USERS = [User(username=TEST_USER, password_hash=TEST_HASH, mbox=TEST_MBOX)]
 
 MAILS_PATH: Path
 
@@ -47,8 +38,7 @@ Hello bro\r
 IlzVOJqu9Zp7twFAtzcV\r
 yQVk36B0mGU2gtWxXLr\r
 PeF0RtbI0mAuVPLQDHCi\r
-\r
-"""
+\r\n"""
 
 
 def setUpModule() -> None:
@@ -57,21 +47,13 @@ def setUpModule() -> None:
     td = tempfile.TemporaryDirectory(prefix="m41.pop.")
     unittest.addModuleCleanup(td.cleanup)
     MAILS_PATH = Path(td.name)
-    for mbox in (TEST_MBOX, TEST_MBOX2):
-        os.mkdir(MAILS_PATH / mbox)
-        for md in ("new", "cur", "tmp"):
-            os.mkdir(MAILS_PATH / mbox / md)
-    with open(MAILS_PATH / TEST_MBOX / "new/msg1.eml", "wb") as f:
+    os.mkdir(MAILS_PATH / TEST_MBOX)
+    for md in ('new', 'cur', 'tmp'):
+        os.mkdir(MAILS_PATH / TEST_MBOX / md)
+    with open(MAILS_PATH / TEST_MBOX/ 'new/msg1.eml', 'wb') as f:
         f.write(TESTMAIL)
-    with open(MAILS_PATH / TEST_MBOX / "new/msg2.eml", "wb") as f:
+    with open(MAILS_PATH / TEST_MBOX/ 'new/msg2.eml', 'wb') as f:
         f.write(TESTMAIL)
-    with open(MAILS_PATH / TEST_MBOX2 / "new/msg1.eml", "wb") as f:
-        f.write(TESTMAIL)
-        f.write(b"More lines to follow\r\n")
-        f.write(b".Line starts with a dot\r\n")
-        f.write(b"some more lines\r\n")
-        f.write(b".\r\n")
-        f.write(b"Previous line just has a dot\r\n")
     logging.debug(MAILS_PATH)
 
 
@@ -83,14 +65,13 @@ class TestPop3(unittest.IsolatedAsyncioTestCase):
 
     async def asyncSetUp(self) -> None:
         logging.debug("at asyncSetUp")
-        pop_server = await create_pop_server(
-            host="127.0.0.1", port=7995, mails_path=MAILS_PATH, users=USERS
-        )
+        pop_server = await create_pop_server(host='127.0.0.1',
+                                             port=7995,
+                                             mails_path=MAILS_PATH,
+                                             users=USERS)
         self.task = asyncio.create_task(pop_server.serve_forever())
-        self.reader, self.writer = await asyncio.open_connection("127.0.0.1", 7995)
-
-        # Additional writers to close
-        self.ws: list[asyncio.StreamWriter] = []
+        self.reader, self.writer = await asyncio.open_connection(
+            '127.0.0.1', 7995)
 
     async def test_QUIT(self) -> None:
         dialog = """
@@ -134,9 +115,8 @@ class TestPop3(unittest.IsolatedAsyncioTestCase):
         await self.dialog_checker(dialog)
 
     async def test_dupe_AUTH(self) -> None:
-        r1, w1 = await asyncio.open_connection("127.0.0.1", 7995)
-        r2, w2 = await asyncio.open_connection("127.0.0.1", 7995)
-        self.ws += w1, w2
+        r1, w1 = await asyncio.open_connection('127.0.0.1', 7995)
+        r2, w2 = await asyncio.open_connection('127.0.0.1', 7995)
         dialog = """
         S: +OK Server Ready
         C: USER foobar
@@ -217,36 +197,18 @@ class TestPop3(unittest.IsolatedAsyncioTestCase):
         """
         await self.dialog_checker(dialog)
 
-    async def test_poplib(self) -> None:
-        def run_poplib():
-            pc = poplib.POP3("127.0.0.1", 7995)
-            try:
-                self.assertEqual(b"+OK Server Ready", pc.getwelcome())
-                self.assertEqual(b"+OK Welcome", pc.user("foo2"))
-                self.assertEqual(b"+OK Login successful", pc.pass_("helloworld"))
-                _, eml, oc = pc.retr(1)
-                self.assertIn(b"Previous line just has a dot", eml)
-                self.assertIn(b".Line starts with a dot", eml)
-                self.assertIn(b".", eml)
-            finally:
-                pc.quit()
-
-        await asyncio.to_thread(run_poplib)
-
     async def asyncTearDown(self) -> None:
         logging.debug("at teardown")
-        for w in self.ws + [self.writer]:
-            w.close()
-            await w.wait_closed()
-        self.ws.clear()
+        self.writer.close()
+        await self.writer.wait_closed()
         self.task.cancel("test done")
 
     async def dialog_checker(self, dialog: str) -> None:
         await self.dialog_checker_impl(self.reader, self.writer, dialog)
 
-    async def dialog_checker_impl(
-        self, reader: asyncio.StreamReader, writer: asyncio.StreamWriter, dialog: str
-    ) -> None:
+    async def dialog_checker_impl(self, reader: asyncio.StreamReader,
+                                  writer: asyncio.StreamWriter,
+                                  dialog: str) -> None:
         for line in dialog.splitlines():
             line = line.strip()
             if not line:
@@ -260,5 +222,5 @@ class TestPop3(unittest.IsolatedAsyncioTestCase):
                 self.assertEqual(data, resp)
 
 
-if __name__ == "__main__":
+if __name__ == '__main__':
     unittest.main()

tests/test_pwhash.py

@@ -10,31 +10,27 @@ class TestPWHash(unittest.TestCase):
         pwinfo = parse_hash(pwhash)
         self.assertEqual(len(pwinfo.salt), SALT_LEN)
         self.assertEqual(len(pwinfo.scrypt_hash), KEY_LEN)
-        self.assertTrue(
-            check_pass(password, pwinfo), "check pass with correct password"
-        )
-        self.assertFalse(check_pass("foobar", pwinfo), "check pass with wrong password")
+        self.assertTrue(check_pass(password, pwinfo),
+                        "check pass with correct password")
+        self.assertFalse(check_pass("foobar", pwinfo),
+                         "check pass with wrong password")
 
     def test_hardcoded_hash(self):
-        test_hash = "".join(
-            c
-            for c in """
+        test_hash = "".join(c for c in """
         AFTY5EVN7AX47ZL7UMH3BETYWFBTAV3XHR73CEFAJBPN2NIHPWD
         ZHV2UQSMSPHSQQ2A2BFQBNC77VL7F2UKATQNJZGYLCSU6C43UQD
         AQXWXSWNGAEPGIMG2F3QDKBXL3MRHY6K2BPID64ZR6LABLPVSF
-        """
-            if not c.isspace()
-        )
+        """ if not c.isspace())
         pwinfo = parse_hash(test_hash)
-        self.assertTrue(
-            check_pass("helloworld", pwinfo), "check pass with correct password"
-        )
-        self.assertFalse(check_pass("foobar", pwinfo), "check pass with wrong password")
+        self.assertTrue(check_pass("helloworld", pwinfo),
+                        "check pass with correct password")
+        self.assertFalse(check_pass("foobar", pwinfo),
+                         "check pass with wrong password")
 
     def test_invalid_hash(self):
         with self.assertRaises(Exception):
             parse_hash("sdlfkjdsklfjdsk")
 
 
-if __name__ == "__main__":
+if __name__ == '__main__':
     unittest.main()

tests/test_smtp.py

@@ -10,7 +10,7 @@ from pathlib import Path
 
 from mail4one.smtp import create_smtp_server
 
-TEST_MBOX = "foobar_mails"
+TEST_MBOX = 'foobar_mails'
 MAILS_PATH: Path
 
 
@@ -21,7 +21,7 @@ def setUpModule() -> None:
     unittest.addModuleCleanup(td.cleanup)
     MAILS_PATH = Path(td.name)
     os.mkdir(MAILS_PATH / TEST_MBOX)
-    for md in ("new", "cur", "tmp"):
+    for md in ('new', 'cur', 'tmp'):
         os.mkdir(MAILS_PATH / TEST_MBOX / md)
 
 
@@ -32,10 +32,7 @@ class TestSMTP(unittest.IsolatedAsyncioTestCase):
             host="127.0.0.1",
             port=7996,
             mails_path=MAILS_PATH,
-            mbox_finder=lambda addr: [TEST_MBOX],
-            ssl_context=None,
-            smtputf8=True,
-        )
+            mbox_finder=lambda addr: [TEST_MBOX])
         self.task = asyncio.create_task(smtp_server.serve_forever())
 
     async def test_send_mail(self) -> None:
@@ -48,9 +45,8 @@ class TestSMTP(unittest.IsolatedAsyncioTestCase):
         msg = b"".join(l.strip() + b"\r\n" for l in msg.splitlines())
 
         def send_mail():
-            with contextlib.closing(
-                smtplib.SMTP(host="127.0.0.1", port=7996)
-            ) as client:
+            with contextlib.closing(smtplib.SMTP(host="127.0.0.1",
+                                                 port=7996)) as client:
                 client.sendmail("foo@sender.com", "foo@bar.com", msg)
                 _, local_port = client.sock.getsockname()
                 return local_port
@@ -66,7 +62,7 @@ class TestSMTP(unittest.IsolatedAsyncioTestCase):
         Byee
         """
         expected = "".join(l.strip() + "\r\n" for l in expected.splitlines())
-        mails = list((MAILS_PATH / TEST_MBOX / "new").glob("*"))
+        mails = list((MAILS_PATH / TEST_MBOX / 'new').glob("*"))
         self.assertEqual(len(mails), 1)
         self.assertEqual(mails[0].read_bytes(), expected.encode())