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

@@ -8,8 +8,7 @@ name: Trigger Docker build
 
 on:
   push:
-    branches: [main, j4n/dovecot-multidist]
-    tags: ['[0-9]+.[0-9]+.[0-9]+']
+    branches: [main]
   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

@@ -2,6 +2,7 @@ import ipaddress
 from pathlib import Path
 
 import iniconfig
+from domain_validator import DomainValidator
 
 from chatmaild.user import User
 
@@ -24,6 +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

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/deployers.py

@@ -171,14 +171,16 @@ class UnboundDeployer(Deployer):
                 "unbound-anchor -a /var/lib/unbound/root.key || true",
             ],
         )
-        self.ensure_directory(
-            path="/etc/unbound/unbound.conf.d",
-        )
-        self.put_template(
-            "unbound/unbound.conf.j2",
-            "/etc/unbound/unbound.conf.d/chatmail.conf",
-            disable_ipv6=self.config.disable_ipv6,
-        )
+        if self.config.disable_ipv6:
+            self.ensure_directory(
+                path="/etc/unbound/unbound.conf.d",
+            )
+            self.put_template(
+                "unbound/unbound.conf.j2",
+                "/etc/unbound/unbound.conf.d/chatmail.conf",
+            )
+        else:
+            self.remove_file("/etc/unbound/unbound.conf.d/chatmail.conf")
 
     def activate(self):
         server.shell(
@@ -389,12 +391,6 @@ class ChatmailDeployer(Deployer):
             src=BytesIO(b'APT::Install-Recommends "false";\n'),
             dest="/etc/apt/apt.conf.d/00InstallRecommends",
         )
-        # Pin dovecot-* to priority -1 before any apt operation, apt should
-        # never manage dovecot as our version might be lower than the distro's.
-        self.put_file(
-            src=StringIO("Package: dovecot-*\nPin: version *\nPin-Priority: -1\n"),
-            dest="/etc/apt/preferences.d/pin-dovecot",
-        )
         apt.update(name="apt update", cache_time=24 * 3600)
         apt.upgrade(name="upgrade apt packages", auto_remove=True)
 
@@ -518,8 +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/dovecot/deployer.py

@@ -1,3 +1,4 @@
+import io
 import urllib.request
 
 from chatmaild.config import Config
@@ -18,18 +19,12 @@ DOVECOT_ARCHIVE_VERSION = "2.3.21+dfsg1-3"
 DOVECOT_PACKAGE_VERSION = f"1:{DOVECOT_ARCHIVE_VERSION}"
 
 DOVECOT_SHA256 = {
-    ("amd64", "bookworm", "core"): "dd060706f52a306fa863d874717210b9fe10536c824afe1790eec247ded5b27d",
-    ("arm64", "bookworm", "core"): "e7548e8a82929722e973629ecc40fcfa886894cef3db88f23535149e7f730dc9",
-    ("amd64", "bookworm", "imapd"): "8d8dc6fc00bbb6cdb25d345844f41ce2f1c53f764b79a838eb2a03103eebfa86",
-    ("arm64", "bookworm", "imapd"): "178fa877ddd5df9930e8308b518f4b07df10e759050725f8217a0c1fb3fd707f",
-    ("amd64", "bookworm", "lmtpd"): "2f69ba5e35363de50962d42cccbfe4ed8495265044e244007d7ccddad77513ab",
-    ("arm64", "bookworm", "lmtpd"): "89f52fb36524f5877a177dff4a713ba771fd3f91f22ed0af7238d495e143b38f",
-    ("amd64", "trixie", "core"): "406d3781ed81e0913c472077dcf62cb1106e3855983efa6e44ddf43b4b0c9be1",
-    ("arm64", "trixie", "core"): "c75b0d9df11a77d07ebd8522920380c167fa47330ddefebe10575d99d0ecdf7f",
-    ("amd64", "trixie", "imapd"): "8d8dc6fc00bbb6cdb25d345844f41ce2f1c53f764b79a838eb2a03103eebfa86",
-    ("arm64", "trixie", "imapd"): "178fa877ddd5df9930e8308b518f4b07df10e759050725f8217a0c1fb3fd707f",
-    ("amd64", "trixie", "lmtpd"): "2f69ba5e35363de50962d42cccbfe4ed8495265044e244007d7ccddad77513ab",
-    ("arm64", "trixie", "lmtpd"): "89f52fb36524f5877a177dff4a713ba771fd3f91f22ed0af7238d495e143b38f",
+    ("core", "amd64"): "dd060706f52a306fa863d874717210b9fe10536c824afe1790eec247ded5b27d",
+    ("core", "arm64"): "e7548e8a82929722e973629ecc40fcfa886894cef3db88f23535149e7f730dc9",
+    ("imapd", "amd64"): "8d8dc6fc00bbb6cdb25d345844f41ce2f1c53f764b79a838eb2a03103eebfa86",
+    ("imapd", "arm64"): "178fa877ddd5df9930e8308b518f4b07df10e759050725f8217a0c1fb3fd707f",
+    ("lmtpd", "amd64"): "2f69ba5e35363de50962d42cccbfe4ed8495265044e244007d7ccddad77513ab",
+    ("lmtpd", "arm64"): "89f52fb36524f5877a177dff4a713ba771fd3f91f22ed0af7238d495e143b38f",
 }
 
 
@@ -43,32 +38,34 @@ class DovecotDeployer(Deployer):
 
     def install(self):
         arch = host.get_fact(Arch)
-        codename = (host.get_fact(Command, "grep '^VERSION_CODENAME=' /etc/os-release | cut -d= -f2") or "").strip()
-        if codename not in {key[1] for key in DOVECOT_SHA256}:
-            raise ValueError(f"Unsupported Debian codename: {codename!r}")
         with blocked_service_startup():
             debs = []
             for pkg in ("core", "imapd", "lmtpd"):
-                deb, changed = _download_dovecot_package(pkg, arch, codename)
+                deb, changed = _download_dovecot_package(pkg, arch)
                 self.need_restart |= changed
                 if deb:
                     debs.append(deb)
             if debs:
                 deb_list = " ".join(debs)
-                # apt-get install with local .deb paths resolves depends
-                # against the configured repos (e.g. pulls libwrap0),
-                # The pin file written earlier by ChatmailDeployer prevents apt
-                # from installing a 'wrong' version
+                # First dpkg may fail on missing dependencies (stderr suppressed);
+                # apt-get --fix-broken pulls them in, then dpkg retries cleanly.
                 server.shell(
                     name="Install dovecot packages",
                     commands=[
-                        "DEBIAN_FRONTEND=noninteractive apt-get install -y "
-                        '-o Dpkg::Options::="--force-confdef" '
-                        '-o Dpkg::Options::="--force-confold" '
-                        f"--allow-downgrades {deb_list}",
+                        f"dpkg --force-confdef --force-confold -i {deb_list} 2> /dev/null || true",
+                        "DEBIAN_FRONTEND=noninteractive apt-get -y --fix-broken install",
+                        f"dpkg --force-confdef --force-confold -i {deb_list}",
                     ],
                 )
                 self.need_restart = True
+        self.put_file(
+            src=io.StringIO(
+                "Package: dovecot-*\n"
+                "Pin: version *\n"
+                "Pin-Priority: -1\n"
+            ),
+            dest="/etc/apt/preferences.d/pin-dovecot",
+        )
 
     def configure(self):
         configure_remote_units(self, self.config.mail_domain_bare, self.units)
@@ -81,7 +78,7 @@ class DovecotDeployer(Deployer):
         if not self.disable_mail and not self.need_restart:
             stale = host.get_fact(
                 Command,
-                "pid=$(systemctl show -p MainPID --value dovecot.service 2>/dev/null);"
+                'pid=$(systemctl show -p MainPID --value dovecot.service 2>/dev/null);'
                 ' [ "${pid:-0}" != "0" ] && readlink "/proc/$pid/exe" 2>/dev/null | grep -q "(deleted)"'
                 " && echo STALE || true",
             )
@@ -105,13 +102,13 @@ def _pick_url(primary, fallback):
         return fallback
 
 
-def _download_dovecot_package(package: str, arch: str, codename: str) -> tuple[str | None, bool]:
+def _download_dovecot_package(package: str, arch: str) -> tuple[str | None, bool]:
     """Download a dovecot .deb if needed, return (path, changed)."""
     arch = "amd64" if arch == "x86_64" else arch
     arch = "arm64" if arch == "aarch64" else arch
 
     pkg_name = f"dovecot-{package}"
-    sha256 = DOVECOT_SHA256.get((arch, codename, package))
+    sha256 = DOVECOT_SHA256.get((package, arch))
     if sha256 is None:
         op = apt.packages(packages=[pkg_name])
         return None, bool(getattr(op, "changed", False))
@@ -122,10 +119,8 @@ def _download_dovecot_package(package: str, arch: str, codename: str) -> tuple[s
 
     url_version = DOVECOT_ARCHIVE_VERSION.replace("+", "%2B")
     deb_base = f"{pkg_name}_{url_version}_{arch}.deb"
-    primary_url = f"https://download.delta.chat/dovecot/{codename}/{url_version}/{deb_base}"
-    upstream_version = DOVECOT_ARCHIVE_VERSION.rsplit("-", 1)[0].replace("+", "%2B")
-    fallback_deb = f"{pkg_name}_{url_version}_{arch}_{codename}.deb"
-    fallback_url = f"https://github.com/chatmail/dovecot/releases/download/upstream%2F{upstream_version}/{fallback_deb}"
+    primary_url = f"https://download.delta.chat/dovecot/{deb_base}"
+    fallback_url = f"https://github.com/chatmail/dovecot/releases/download/upstream%2F{url_version}/{deb_base}"
     url = _pick_url(primary_url, fallback_url)
     deb_filename = f"/root/{deb_base}"
 
@@ -139,7 +134,6 @@ def _download_dovecot_package(package: str, arch: str, codename: str) -> tuple[s
 
     return deb_filename, True
 
-
 def _configure_dovecot(deployer, config: Config, debug: bool = False):
     """Configures Dovecot IMAP server."""
     deployer.put_template(
@@ -150,7 +144,9 @@ def _configure_dovecot(deployer, config: Config, debug: bool = False):
         disable_ipv6=config.disable_ipv6,
     )
     deployer.put_file("dovecot/auth.conf", "/etc/dovecot/auth.conf")
-    deployer.put_file("dovecot/push_notification.lua", "/etc/dovecot/push_notification.lua")
+    deployer.put_file(
+        "dovecot/push_notification.lua", "/etc/dovecot/push_notification.lua"
+    )
 
     # as per https://doc.dovecot.org/2.3/configuration_manual/os/
     # it is recommended to set the following inotify limits

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",
-            "aarch64": "6833061b2a2028264fdeb32f0a6123e1ff73de57dace125364016300b748452e",
+            "x86_64": "05c7e7ac244606c2eeb275f2d282ffdbc2403e0169f1cdd3110ffcebdb994a92",
+            "aarch64": "8cf8bbda4d907beca547b365cc7e6753532a74b1712492d0d2f3d2d8a553fb3d",
         }[arch]
         self.download_executable(url, self.bin_path, sha256sum)
 

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 = reject
+smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
 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
-# 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
+lmtp-filtermail unix  -       -       y       -       10000       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"&sh={domain}&sp=465&ss=ssl"
-                    f"&ic=3"
+                    f"&ih={domain}&ip=993"
+                    f"&sh={domain}&sp=465"
+                    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/tests/test_dovecot_deployer.py

@@ -3,7 +3,6 @@ from types import SimpleNamespace
 
 import pytest
 from pyinfra.facts.deb import DebPackages
-from pyinfra.facts.server import Command
 
 from cmdeploy.dovecot import deployer as dovecot_deployer
 
@@ -20,7 +19,7 @@ def make_host(*fact_pairs):
     """
     facts = dict(fact_pairs)
 
-    def get_fact(cls, *args):
+    def get_fact(cls):
         if cls not in facts:
             registered = ", ".join(c.__name__ for c in facts)
             raise LookupError(
@@ -83,9 +82,7 @@ def test_download_dovecot_package_skips_epoch_matched_install(monkeypatch):
         lambda **kwargs: downloads.append(kwargs),
     )
 
-    deb, changed = dovecot_deployer._download_dovecot_package(
-        "core", "amd64", codename="bookworm"
-    )
+    deb, changed = dovecot_deployer._download_dovecot_package("core", "amd64")
 
     assert deb is None, f"expected no deb path when version matches, got {deb!r}"
     assert changed is False, "should not flag changed when version already installed"
@@ -112,9 +109,7 @@ def test_download_dovecot_package_uses_archive_version_for_url_and_filename(
         lambda **kwargs: downloads.append(kwargs),
     )
 
-    deb, changed = dovecot_deployer._download_dovecot_package(
-        "core", "amd64", codename="bookworm"
-    )
+    deb, changed = dovecot_deployer._download_dovecot_package("core", "amd64")
 
     archive_version = dovecot_deployer.DOVECOT_ARCHIVE_VERSION.replace("+", "%2B")
     expected_deb = f"/root/dovecot-core_{archive_version}_amd64.deb"
@@ -144,7 +139,6 @@ def test_install_skips_dpkg_path_when_epoch_matched_packages_present(
                 },
             ),
             (dovecot_deployer.Arch, "x86_64"),
-            (Command, "bookworm"),
         ),
     )
     downloads = []
@@ -166,13 +160,11 @@ def test_install_skips_dpkg_path_when_epoch_matched_packages_present(
 def test_install_unsupported_arch_falls_back_to_apt(
     deployer, patch_blocked, mock_files_put, track_shell, monkeypatch
 ):
+    # For unsupported architectures, all fact lookups return the arch string.
     monkeypatch.setattr(
         dovecot_deployer,
         "host",
-        make_host(
-            (dovecot_deployer.Arch, "riscv64"),
-            (Command, "bookworm"),
-        ),
+        SimpleNamespace(get_fact=lambda cls: "riscv64"),
     )
     apt_calls = []
 
@@ -206,7 +198,6 @@ def test_install_runs_dpkg_when_packages_need_download(
         make_host(
             (dovecot_deployer.DebPackages, {}),
             (dovecot_deployer.Arch, "x86_64"),
-            (Command, "bookworm"),
         ),
     )
     monkeypatch.setattr(
@@ -226,12 +217,10 @@ def test_install_runs_dpkg_when_packages_need_download(
         f"expected one server.shell() call for dpkg install, got {len(track_shell)}"
     )
     cmds = track_shell[0]["commands"]
-    assert len(cmds) == 1, f"expected single apt-get install command, got: {cmds}"
-    assert "apt-get install -y" in cmds[0]
-    assert '-o Dpkg::Options::="--force-confdef"' in cmds[0]
-    assert '-o Dpkg::Options::="--force-confold"' in cmds[0]
-    assert "--allow-downgrades" in cmds[0]
-    assert ".deb" in cmds[0]
+    assert len(cmds) == 3, f"expected 3 dpkg/apt commands, got: {cmds}"
+    assert cmds[0].startswith("dpkg --force-confdef --force-confold -i ")
+    assert "apt-get -y --fix-broken install" in cmds[1]
+    assert cmds[2].startswith("dpkg --force-confdef --force-confold -i ")
     assert deployer.need_restart is True, (
         "need_restart should be True after dpkg install"
     )
@@ -246,19 +235,3 @@ def test_pick_url_falls_back_on_primary_error(monkeypatch):
     assert result == "http://fallback", (
         f"should fall back when primary fails, got {result!r}"
     )
-
-
-def test_install_fails_on_unsupported_debian_version(
-    deployer, patch_blocked, monkeypatch
-):
-    monkeypatch.setattr(
-        dovecot_deployer,
-        "host",
-        make_host(
-            (dovecot_deployer.Arch, "x86_64"),
-            (Command, "sid"),
-        ),
-    )
-
-    with pytest.raises(ValueError, match="Unsupported Debian codename"):
-        deployer.install()

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
-        subgraph chatmail relay
-            subgraph postfix
-                qmgr .-> lmtp-filtermail["lmtp/lmtp-filtermail (default_transport)"]
-                qmgr .-> lmtp["lmtp (local_transport)"]
-                lmtp --> cleanup["cleanup (lmtp_header_cleanup)"]
-                bounce
-                smtpd-submission["smtpd/submission"]
-                smtpd-smtps["smtpd/smtps"]
-                smtpd-reinject-outgoing["smtpd/reinject-outgoing"] --> authclean["cleanup/authclean (submission_header_cleanup)"]
-                authclean --> qmgr
-                smtpd-smtp["smtpd/smtp"]
-                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
+    graph LR;
+        sender --> |465|smtps/smtpd;
+        sender --> |587|submission/smtpd;
+        smtps/smtpd --> |10080|filtermail;
+        submission/smtpd --> |10080|filtermail;
+        filtermail --> |10025|smtpd_reinject;
+        smtpd_reinject --> cleanup;
+        cleanup --> qmgr;
+        qmgr --> smtpd_accepts_message;
+        qmgr --> |lmtp|dovecot;
+        dovecot --> recipient;
+        dovecot --> sender's_other_devices;
 
 Operational details of a chatmail relay
 ----------------------------------------