chore(release): prepare for 1.11.0

.github/workflows/ci-no-dns.yaml

@@ -20,9 +20,9 @@ concurrency:
 jobs:
   no-dns:
     name: LXC deploy and test
-    uses: chatmail/cmlxc/.github/workflows/lxc-test.yml@main
+    uses: chatmail/cmlxc/.github/workflows/lxc-test.yml@v0.14.6
     with:
-      cmlxc_version: main
+      cmlxc_version: v0.14.6
       cmlxc_commands: |
         cmlxc init 
         # single cmdeploy relay test

.github/workflows/ci.yaml

@@ -29,7 +29,7 @@ jobs:
           ref: ${{ github.event.pull_request.head.sha }}
           persist-credentials: false
       - name: download filtermail
-        run: curl -L https://github.com/chatmail/filtermail/releases/download/v0.7.0/filtermail-x86_64 -o /usr/local/bin/filtermail && chmod +x /usr/local/bin/filtermail
+        run: curl -L https://github.com/chatmail/filtermail/releases/download/v0.6.6/filtermail-x86_64 -o /usr/local/bin/filtermail && chmod +x /usr/local/bin/filtermail
       - name: run chatmaild tests 
         working-directory: chatmaild
         run: pipx run tox
@@ -57,9 +57,9 @@ jobs:
 
   lxc-test:
     name: LXC deploy and test
-    uses: chatmail/cmlxc/.github/workflows/lxc-test.yml@main
+    uses: chatmail/cmlxc/.github/workflows/lxc-test.yml@v0.14.6
     with:
-      cmlxc_version: main
+      cmlxc_version: v0.14.6
       cmlxc_commands: |
         cmlxc init 
         # single cmdeploy relay test

.github/workflows/docker-dispatch.yaml

@@ -9,7 +9,6 @@ name: Trigger Docker build
 on:
   push:
     branches: [main]
-    tags: ['[0-9]+.[0-9]+.[0-9]+']
   workflow_dispatch:
 
 permissions: {}

chatmaild/pyproject.toml

@@ -10,6 +10,7 @@ dependencies = [
   "filelock",
   "requests",
   "crypt-r >= 3.13.1 ; python_version >= '3.11'",
+  "domain-validator",
 ]
 
 [tool.setuptools]

chatmaild/src/chatmaild/config.py

@@ -1,8 +1,8 @@
 import ipaddress
 from pathlib import Path
-from random import randint
 
 import iniconfig
+from domain_validator import DomainValidator
 
 from chatmaild.user import User
 
@@ -25,6 +25,7 @@ class Config:
             self.mail_domain = f"[{raw_domain}]"
             self.postfix_myhostname = ipaddress.IPv4Address(raw_domain).reverse_pointer
         else:
+            DomainValidator().validate_domain_re(raw_domain)
             self.ipv4_relay = None
             self.mail_domain = raw_domain
             self.postfix_myhostname = raw_domain
@@ -42,11 +43,6 @@ class Config:
         self.username_max_length = int(params.pop("username_max_length", 9))
         self.password_min_length = int(params.pop("password_min_length", 9))
         self.www_folder = params.pop("www_folder", "")
-
-        self.imap_port = int(params.pop("imap_port", 143))
-        self.imaps_port = int(params.pop("imaps_port", 993))
-        self.smtp_port = int(params.pop("smtp_port", 587))
-        self.smtps_port = int(params.pop("smtps_port", 465))
         self.filtermail_smtp_port = int(params.pop("filtermail_smtp_port", "10080"))
         self.filtermail_smtp_port_incoming = int(
             params.pop("filtermail_smtp_port_incoming", "10081")
@@ -144,15 +140,8 @@ def parse_size_mb(limit):
 
 def write_initial_config(inipath, mail_domain, overrides):
     """Write out default config file, using the specified config value overrides."""
-    content = get_default_config_content(mail_domain, **overrides).splitlines()
+    content = get_default_config_content(mail_domain, **overrides)
-    used_ports = [25, 53, 80, 143, 402, 443, 465, 587, 993, 3340, 3903, 3904, 8443, 10080, 10081, 10082, 10083, 10025, 10026]
+    inipath.write_text(content)
-    for config_key in ["smtp_port", "imap_port", "smtps_port", "imaps_port"]:
-        value = randint(1, 65536)
-        while value in used_ports:
-            value = randint(65535)
-        used_ports.append(value)
-        content.append(f"{config_key} = {value}")
-    inipath.write_text("\n".join(content))
 
 
 def get_default_config_content(mail_domain, **overrides):

chatmaild/src/chatmaild/expire.py

@@ -168,16 +168,6 @@ class Expiry:
         if mbox.last_login and mbox.last_login < cutoff_without_login:
             self.remove_mailbox(mbox.basedir)
             return
-        elif mbox.last_login is None:
-            try:
-                if not self.dry:
-                    os.rmdir(mbox.basedir)
-                    self.del_mboxes += 1
-            except OSError:
-                print_info(
-                    f"Skipped deleting {mbox.basedir}, doesn't have last_login but isn't empty"
-                )
-            return
 
         mboxname = os.path.basename(mbox.basedir)
         if self.verbose:

chatmaild/src/chatmaild/tests/test_expire.py

@@ -1,7 +1,6 @@
 import itertools
 import os
 import random
-import shutil
 import time
 from datetime import datetime
 from fnmatch import fnmatch
@@ -10,7 +9,6 @@ from pathlib import Path
 import pytest
 
 from chatmaild.expire import (
-    Expiry,
     FileEntry,
     MailboxStat,
     expire_to_target,
@@ -106,32 +104,6 @@ def test_stats_mailbox(mbox1):
     assert mbox3.last_login is None
 
 
-def test_mbox_without_password(mbox1, example_config, capsys):
-    password = Path(mbox1.basedir).joinpath("password")
-    os.remove(password)
-    mbox_rescan = MailboxStat(mbox1.basedir)
-    assert mbox_rescan.last_login is None
-
-    exp = Expiry(
-        example_config, dry=False, now=datetime.now().timestamp(), verbose=False
-    )
-    exp.process_mailbox_stat(mbox_rescan)
-    out, err = capsys.readouterr()
-    assert "doesn't have last_login but isn't empty" in err
-    assert os.path.isdir(mbox_rescan.basedir)
-
-    for entry in os.scandir(mbox_rescan.basedir):
-        if os.path.isdir(entry):
-            shutil.rmtree(entry)
-        else:
-            os.remove(entry)
-
-    exp.process_mailbox_stat(mbox_rescan)
-    out, err = capsys.readouterr()
-    assert "doesn't have last_login but isn't empty" not in err
-    assert not os.path.isdir(mbox_rescan.basedir)
-
-
 def test_report_no_mailboxes(example_config):
     args = (str(example_config._inipath),)
     report_main(args)

cmdeploy/src/cmdeploy/acmetool/response-file.yaml.j2

@@ -1,2 +1,2 @@
 "acme-enter-email": "{{ email }}"
-"acme-agreement:https://letsencrypt.org/documents/LE-SA-v1.7-June-04-2026.pdf": true
+"acme-agreement:https://letsencrypt.org/documents/LE-SA-v1.6-August-18-2025.pdf": true

cmdeploy/src/cmdeploy/deployers.py

@@ -171,14 +171,16 @@ class UnboundDeployer(Deployer):
                 "unbound-anchor -a /var/lib/unbound/root.key || true",
             ],
         )
-        self.ensure_directory(
+        if self.config.disable_ipv6:
-            path="/etc/unbound/unbound.conf.d",
+            self.ensure_directory(
-        )
+                path="/etc/unbound/unbound.conf.d",
-        self.put_template(
+            )
-            "unbound/unbound.conf.j2",
+            self.put_template(
-            "/etc/unbound/unbound.conf.d/chatmail.conf",
+                "unbound/unbound.conf.j2",
-            disable_ipv6=self.config.disable_ipv6,
+                "/etc/unbound/unbound.conf.d/chatmail.conf",
-        )
+            )
+        else:
+            self.remove_file("/etc/unbound/unbound.conf.d/chatmail.conf")
 
     def activate(self):
         server.shell(
@@ -495,15 +497,15 @@ def deploy_chatmail(config_path: Path, disable_mail: bool, website_only: bool) -
         if config.tls_cert_mode == "acme":
             port_services.append(("acmetool", 402))
         port_services += [
-            (["imap-login", "dovecot"], config.imap_port),
+            (["imap-login", "dovecot"], 143),
             # acmetool previously listened on port 80,
             # so don't complain during upgrade that moved it to port 402
             # and gave the port to nginx.
             (["acmetool", "nginx"], 80),
             ("nginx", 443),
-            (["master", "smtpd"], config.smtp_port),
+            (["master", "smtpd"], 465),
-            (["master", "smtpd"], config.smtps_port),
+            (["master", "smtpd"], 587),
-            (["imap-login", "dovecot"], config.imaps_port),
+            (["imap-login", "dovecot"], 993),
             ("iroh-relay", 3340),
             ("mtail", 3903),
             ("stats", 3904),
@@ -512,8 +514,6 @@ def deploy_chatmail(config_path: Path, disable_mail: bool, website_only: bool) -
             (["master", "smtpd"], config.postfix_reinject_port_incoming),
             ("filtermail", config.filtermail_smtp_port),
             ("filtermail", config.filtermail_smtp_port_incoming),
-            ("filtermail", config.filtermail_http_port_incoming),
-            ("filtermail", config.filtermail_lmtp_port_transport),
         ]
         for service, port in port_services:
             print(f"Checking if port {port} is available for {service}...")

cmdeploy/src/cmdeploy/filtermail/deployer.py

@@ -20,10 +20,10 @@ class FiltermailDeployer(Deployer):
             return
 
         arch = host.get_fact(facts.server.Arch)
-        url = f"https://github.com/chatmail/filtermail/releases/download/v0.7.0/filtermail-{arch}"
+        url = f"https://github.com/chatmail/filtermail/releases/download/v0.6.6/filtermail-{arch}"
         sha256sum = {
-            "x86_64": "451f295a85b3b12dbb0f89e18ec319f742ee46dec218f20f7923bfb017a248bd",
+            "x86_64": "05c7e7ac244606c2eeb275f2d282ffdbc2403e0169f1cdd3110ffcebdb994a92",
-            "aarch64": "6833061b2a2028264fdeb32f0a6123e1ff73de57dace125364016300b748452e",
+            "aarch64": "8cf8bbda4d907beca547b365cc7e6753532a74b1712492d0d2f3d2d8a553fb3d",
         }[arch]
         self.download_executable(url, self.bin_path, sha256sum)
 

cmdeploy/src/cmdeploy/nginx/autoconfig.xml.j2

@@ -7,14 +7,14 @@
     <displayShortName>{{ config.mail_domain }}</displayShortName>
     <incomingServer type="imap">
       <hostname>{{ config.mail_domain }}</hostname>
-      <port>{{ config.imaps_port }}</port>
+      <port>993</port>
       <socketType>SSL</socketType>
       <authentication>password-cleartext</authentication>
       <username>%EMAILADDRESS%</username>
     </incomingServer>
     <incomingServer type="imap">
       <hostname>{{ config.mail_domain }}</hostname>
-      <port>{{ config.imap_port }}</port>
+      <port>143</port>
       <socketType>STARTTLS</socketType>
       <authentication>password-cleartext</authentication>
       <username>%EMAILADDRESS%</username>
@@ -28,14 +28,14 @@
     </incomingServer>
     <outgoingServer type="smtp">
       <hostname>{{ config.mail_domain }}</hostname>
-      <port>{{ config.smtps_port }}</port>
+      <port>465</port>
       <socketType>SSL</socketType>
       <authentication>password-cleartext</authentication>
       <username>%EMAILADDRESS%</username>
     </outgoingServer>
     <outgoingServer type="smtp">
       <hostname>{{ config.mail_domain }}</hostname>
-      <port>{{ config.smtp_port }}</port>
+      <port>587</port>
       <socketType>STARTTLS</socketType>
       <authentication>password-cleartext</authentication>
       <username>%EMAILADDRESS%</username>

cmdeploy/src/cmdeploy/nginx/nginx.conf.j2

@@ -31,26 +31,6 @@ stream {
             ~\bimap\b 127.0.0.1:993;
         }
 
-        server {
-                listen {{ config.smtp_port }};
-                proxy_pass 127.0.0.1:587;
-        }
-
-        server {
-                listen {{ config.imap_port }};
-                proxy_pass 127.0.0.1:143;
-        }
-
-        server {
-                listen {{ config.smtps_port }};
-                proxy_pass 127.0.0.1:465;
-        }
-
-        server {
-                listen {{ config.imaps_port }};
-                proxy_pass 127.0.0.1:993;
-        }
-
         server {
                 listen 443;
                 {% if not disable_ipv6 %}

cmdeploy/src/cmdeploy/postfix/main.cf.j2

@@ -53,8 +53,7 @@ smtpd_tls_exclude_ciphers = aNULL, RC4, MD5, DES
 # See <https://www.postfix.org/FORWARD_SECRECY_README.html#server_fs>.
 tls_preempt_cipherlist = yes
 
-# Reject by default, override per smtpd in master.cf
+smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
-smtpd_relay_restrictions = reject
 myhostname = {{ config.postfix_myhostname }}
 alias_maps = hash:/etc/aliases
 alias_database = hash:/etc/aliases
@@ -102,24 +101,9 @@ smtpd_peername_lookup = no
 # so instead this is handled in filtermail.
 # We use LMTP instead SMTP so we can communicate per-recipient errors back to postfix.
 default_transport = lmtp-filtermail:inet:[127.0.0.1]:{{ config.filtermail_lmtp_port_transport }}
-
-# All deliveries over lmtp-filtermail are treated
-# as having the same destination [127.0.0.1],
-# so it is not possible to limit per-destination concurrency here,
-# it is a job for filtermail-transport.
-# Total number of parallel deliveries is limited
-# by "maxproc" column in /etc/postfix/master.cf for lmtp-filtermail.
-# Settings below are to prevent Postfix queue manager
-# from limiting the number of LMTP connections to filtermail-transport.
-# Read <https://www.postfix.org/TUNING_README.html#rope> and
-# <https://www.postfix.org/SCHEDULER_README.html> for the details
-# of the Postfix algorithm that we effectively disable here.
 lmtp-filtermail_initial_destination_concurrency=10000
 lmtp-filtermail_destination_concurrency_limit=10000
 
-# Do not try to deliver messages for more than 2 days.
-maximal_queue_lifetime = 2d
-
 {% if not config.ipv4_relay %}
 # DKIM-sign locally generated mail (bounces, DSNs).
 # These bypass smtpd, so they need explicit milter configuration.

cmdeploy/src/cmdeploy/postfix/master.cf.j2

@@ -17,7 +17,6 @@ smtp      inet  n       -       y       -       -       smtpd
   -o smtpd_tls_security_level=encrypt
   -o smtpd_tls_mandatory_protocols=>=TLSv1.2
   -o smtpd_proxy_filter=127.0.0.1:{{ config.filtermail_smtp_port_incoming }}
-  -o smtpd_relay_restrictions=reject_unauth_destination
 submission inet n       -       y       -       5000    smtpd
   -o syslog_name=postfix/submission
   -o smtpd_tls_security_level=encrypt
@@ -82,14 +81,12 @@ filter    unix -        n       n       -       -       lmtp
   -o syslog_name=postfix/reinject
   -o milter_macro_daemon_name=ORIGINATING
   -o cleanup_service_name=authclean
-  -o smtpd_relay_restrictions=permit_mynetworks,reject
 {% if not config.ipv4_relay %}  -o smtpd_milters=unix:opendkim/opendkim.sock
 {% endif %}
 
 # Local SMTP server for reinjecting incoming filtered mail 
 127.0.0.1:{{ config.postfix_reinject_port_incoming }} inet  n       -       n       -       100      smtpd
   -o syslog_name=postfix/reinject_incoming
-  -o smtpd_relay_restrictions=reject_unauth_destination
 
 # Cleanup `Received` headers for authenticated mail
 # to avoid leaking client IP.
@@ -105,15 +102,7 @@ filter    unix -        n       n       -       -       lmtp
 authclean unix  n       -       -       -       0       cleanup
   -o header_checks=regexp:/etc/postfix/submission_header_cleanup
 
-# Reducing `maxproc` here may result in a head of line blocking
+lmtp-filtermail unix  -       -       y       -       10000       lmtp
-# when there are many messages sent to unreachable destinations
-# at the same time.
-# LMTP clients here talk to filtermail-transport.
-# LMTP has no pipelining,
-# so while filtermail-transport tries to deliver the message,
-# possibly waiting for a long connection timeout
-# or talking to a slow server, LMTP client cannot be reused.
-lmtp-filtermail unix  -       -       y       -       500       lmtp
   -o syslog_name=postfix/lmtp-filtermail
   -o lmtp_header_checks=
   -o lmtp_tls_security_level=none

cmdeploy/src/cmdeploy/tests/plugin.py

@@ -10,11 +10,13 @@ from pathlib import Path
 
 import pytest
 from chatmaild.config import is_valid_ipv4, read_config
+from domain_validator import DomainValidator
 
 
 def format_mail_domain(raw_domain: str) -> str:
     if is_valid_ipv4(raw_domain):
         return f"[{raw_domain}]"
+    DomainValidator().validate_domain_re(raw_domain)
     return raw_domain
 
 
@@ -347,9 +349,9 @@ class ChatmailACFactory:
                 qr = (
                     f"dclogin:{addr}"
                     f"?p={password}&v=1"
-                    f"&ih={domain}&ip=993&is=ssl"
+                    f"&ih={domain}&ip=993"
-                    f"&sh={domain}&sp=465&ss=ssl"
+                    f"&sh={domain}&sp=465"
-                    f"&ic=3"
+                    f"&ic=3&ss=default"
                 )
                 future = account.add_transport_from_qr.future(qr)
             else:
@@ -360,7 +362,7 @@ class ChatmailACFactory:
 
             # ensure messages stay in INBOX so that they can be
             # concurrently fetched via extra IMAP connections during tests
-            account.set_config("bcc_self", "1")
+            account.set_config("delete_server_after", "10")
             accounts.append(account)
 
         for future in futures:

cmdeploy/src/cmdeploy/unbound/unbound.conf.j2

@@ -1,7 +1,4 @@
-# Managed by cmdeploy
+# Managed by cmdeploy: disable IPv6 in unbound.
 server:
-{% if disable_ipv6 %}
   interface: 127.0.0.1
   do-ip6: no
-{% endif %}
-  cache-max-negative-ttl: 0

doc/source/faq.rst

@@ -60,7 +60,6 @@ and run the following commands:
    ::
 
        git pull origin main --rebase --autostash
-       scripts/initenv.sh
        scripts/cmdeploy run
 
 If you don't want the latest development version,

doc/source/overview.rst

@@ -156,7 +156,6 @@ Chatmail relay dependency diagram
         postfix --- |10083|filtermail-transport;
         filtermail-outgoing --- |10025 reinject|postfix;
         filtermail-incoming --- |10026 reinject|postfix;
-        postfix --- |milter opendkim.sock|OpenDKIM
         dovecot --- |doveauth.socket|doveauth;
         dovecot --- |message delivery|maildir["maildir
         /home/vmail/.../user"];
@@ -180,66 +179,26 @@ Chatmail relay dependency diagram
         style nginx-right fill:#f66;
         style postfix fill:#f66;
         style dovecot fill:#f66;
-        style OpenDKIM fill:#f66;
         style notification-proxy fill:#f66;
 
-Accepting and delivering mail
+Message between users on the same relay
------------------------------
+---------------------------------------
 
 .. mermaid::
-    :caption: This diagram shows all the paths a message can take.
+    :caption: This diagram shows the path a non-federated message takes.
 
-    flowchart LR
+    graph LR;
-        subgraph chatmail relay
+        sender --> |465|smtps/smtpd;
-            subgraph postfix
+        sender --> |587|submission/smtpd;
-                qmgr .-> lmtp-filtermail["lmtp/lmtp-filtermail (default_transport)"]
+        smtps/smtpd --> |10080|filtermail;
-                qmgr .-> lmtp["lmtp (local_transport)"]
+        submission/smtpd --> |10080|filtermail;
-                lmtp --> cleanup["cleanup (lmtp_header_cleanup)"]
+        filtermail --> |10025|smtpd_reinject;
-                bounce
+        smtpd_reinject --> cleanup;
-                smtpd-submission["smtpd/submission"]
+        cleanup --> qmgr;
-                smtpd-smtps["smtpd/smtps"]
+        qmgr --> smtpd_accepts_message;
-                smtpd-reinject-outgoing["smtpd/reinject-outgoing"] --> authclean["cleanup/authclean (submission_header_cleanup)"]
+        qmgr --> |lmtp|dovecot;
-                authclean --> qmgr
+        dovecot --> recipient;
-                smtpd-smtp["smtpd/smtp"]
+        dovecot --> sender's_other_devices;
-                smtpd-reinject-incoming["smtpd/reinject-incoming"] --> qmgr
-            end
-            lmtp-filtermail --LMTP inet:10083--> filtermail-transport
-            cleanup --LMTP unix:private/dovecot-lmtp --> dovecot
-            dovecot --> maildir
-            smtpd-submission --SMTP inet:10080--> filtermail-outgoing
-            smtpd-smtps --SMTP inet:10080--> filtermail-outgoing
-            filtermail-outgoing --SMTP inet:10025--> smtpd-reinject-outgoing
-            open-dkim["OpenDKIM (signing only)"] <--milter unix:opendkim/opendkim.sock--> smtpd-reinject-outgoing
-            bounce <--milter unix:opendkim/opendkim.sock--> open-dkim
-            bounce --> qmgr
-            nginx
-            smtpd-smtp -.SMTP inet:10081.-> filtermail-incoming
-            nginx -.HTTP inet:10082.-> filtermail-incoming
-            filtermail-incoming --SMTP inet:10026--> smtpd-reinject-incoming
-        end
-        filtermail-transport -.SMTP inet:25.-> mta1[Remote relay]
-        filtermail-transport -.HTTPS /mxdeliv.-> mta1
-        client[Client] -.SMTP inet:587.-> smtpd-submission
-        client -.SMTP inet:465.-> smtpd-smtps
-        client -.SMTP inet:443.-> nginx
-        nginx -.SMTP inet:465.-> smtpd-smtps
-        mta2[Remote relay] -.SMTP inet:25.-> smtpd-smtp
-        mta2 -.HTTPS /mxdeliv.-> nginx
-        style postfix fill:#363
-        style qmgr fill:#252
-        style authclean fill:#252
-        style cleanup fill:#252
-        style lmtp-filtermail fill:#252
-        style lmtp fill:#252
-        style bounce fill:#252
-        style smtpd-submission fill:#252
-        style smtpd-smtps fill:#252
-        style smtpd-reinject-outgoing fill:#252
-        style smtpd-reinject-incoming fill:#252
-        style smtpd-smtp fill:#252
-        style filtermail-outgoing fill:#225
-        style filtermail-incoming fill:#225
-        style filtermail-transport fill:#225
 
 Operational details of a chatmail relay
 ----------------------------------------