feat: add quota-triggered per-user mailbox cleanup

Inflate the Dovecot-visible quota to 140% of the configured
max_mailbox_size so that Delta Chat clients (which warn at
80% of IMAP-reported quota) never show quota warnings.
A quota_warning at 72% of the inflated limit triggers
chatmail-quota-expire, which trims the mailbox to 80% of the
configured limit.  Existing over-quota mailboxes start
receiving mail again immediately after deploy
without any manual operator action needed.

CHANGELOG.md

@@ -4,20 +4,16 @@
 
 ### Features
 
-- Automated per-user quota-keeping.
-  Replace daily timer-based message expire script
-  with Dovecot quota-warning-triggered cleanup (`chatmail-quota-expire`).
-  When a user reaches 90% of their mailbox quota
-  Dovecot calls the new script which removes the largest and oldest messages
-  until usage drops below 80%.
-  The daily `chatmail-expire` timer now only handles deletion
-  of inactive user mailboxes.
-
-  After upgrading, run the following once to clean up
-  mailboxes that are already over quota::
-
-      /usr/local/lib/chatmaild/venv/bin/chatmail-quota-expire \
-          400 /home/vmail/mail/YOURDOMAIN --sweep
+- Add per-user quota-triggered cleanup (`chatmail-quota-expire`).
+  When a mailbox exceeds the configured ``max_mailbox_size``,
+  Dovecot runs the new script which removes the oldest
+  messages until usage drops to a safe level.
+  No operator action is required after upgrading;
+  existing over-quota mailboxes start receiving mail
+  again immediately and are cleaned up automatically.
+  The daily `chatmail-expire` timer continues to handle
+  deletion of old messages, large messages,
+  and inactive user mailboxes.
 
 ## 1.9.0 2025-12-18
 

chatmaild/pyproject.toml

@@ -21,7 +21,7 @@ where = ['src']
 [project.scripts]
 doveauth = "chatmaild.doveauth:main"
 chatmail-metadata = "chatmaild.metadata:main"
-chatmail-expire = "chatmaild.expire_inactive_users:main"
+chatmail-expire = "chatmaild.expire:main"
 chatmail-quota-expire = "chatmaild.quota_expire:main"
 chatmail-fsreport = "chatmaild.fsreport:main"
 lastlogin = "chatmaild.lastlogin:main"

chatmaild/src/chatmaild/config.py

@@ -25,6 +25,8 @@ class Config:
         self.max_user_send_burst_size = int(params.get("max_user_send_burst_size", 10))
         self.max_mailbox_size = params["max_mailbox_size"]
         self.max_message_size = int(params.get("max_message_size", "31457280"))
+        self.delete_mails_after = params["delete_mails_after"]
+        self.delete_large_after = params["delete_large_after"]
         self.delete_inactive_users_after = int(params["delete_inactive_users_after"])
         self.username_min_length = int(params["username_min_length"])
         self.username_max_length = int(params["username_max_length"])

chatmaild/src/chatmaild/expire.py

@@ -115,8 +115,11 @@ class Expiry:
         cutoff_without_login = (
             self.now - int(self.config.delete_inactive_users_after) * 86400
         )
+        cutoff_mails = self.now - int(self.config.delete_mails_after) * 86400
+        cutoff_large_mails = self.now - int(self.config.delete_large_after) * 86400
 
         self.all_mboxes += 1
+        changed = False
         if mbox.last_login and mbox.last_login < cutoff_without_login:
             self.remove_mailbox(mbox.basedir)
             return
@@ -128,10 +131,25 @@ class Expiry:
                 print_info(f"checking mailbox {date.strftime('%b %d')} {mboxname}")
             else:
                 print_info(f"checking mailbox (no last_login) {mboxname}")
+        self.all_files += len(mbox.messages)
+        for message in mbox.messages:
+            if message.mtime < cutoff_mails:
+                self.remove_file(message.path, mtime=message.mtime)
+            elif message.size > 200000 and message.mtime < cutoff_large_mails:
+                # we only remove noticed large files (not unnoticed ones in new/)
+                parts = message.path.split("/")
+                if len(parts) >= 2 and parts[-2] == "cur":
+                    self.remove_file(message.path, mtime=message.mtime)
+            else:
+                continue
+            changed = True
+        if changed:
+            self.remove_file(f"{mbox.basedir}/maildirsize")
 
     def get_summary(self):
         return (
             f"Removed {self.del_mboxes} out of {self.all_mboxes} mailboxes "
+            f"and {self.del_files} out of {self.all_files} files in existing mailboxes "
             f"in {time.time() - self.start:2.2f} seconds"
         )
 

chatmaild/src/chatmaild/ini/chatmail.ini.f

@@ -23,6 +23,12 @@ max_mailbox_size = 500M
 # maximum message size for an e-mail in bytes
 max_message_size = 31457280
 
+# days after which mails are unconditionally deleted
+delete_mails_after = 20
+
+# days after which large messages (>200k) are unconditionally deleted
+delete_large_after = 7
+
 # days after which users without a successful login are deleted (database and mails)
 delete_inactive_users_after = 90
 

chatmaild/src/chatmaild/quota_expire.py

@@ -1,98 +1,61 @@
 """
-Remove messages from a mailbox to meet a size target.
+Quota-triggered per-user mailbox cleanup.
 
-Dovecot calls this script when a user's quota is near its limit.
-Files are scored by ``size * age`` so that large, old messages
-are removed first.
+Dovecot calls this script via ``quota_warning``
+when a user crosses the quota threshold.
+The script removes oldest messages first
+to keep the mailbox under a specified target size.
 
 Usage::
 
-    quota_expire <target_mb> <mailbox_path>
+    chatmail-quota-expire <target_mb> <mailbox_path>
 
 """
 
-import os
 import sys
-import time
 from argparse import ArgumentParser
-from collections import namedtuple
-from stat import S_ISREG
+from pathlib import Path
 
-FileEntry = namedtuple("FileEntry", ("path", "mtime", "size"))
-
-
-def _get_file_entry(path):
-    try:
-        st = os.stat(path)
-    except FileNotFoundError:
-        return None
-    if not S_ISREG(st.st_mode):
-        return None
-    return FileEntry(path, st.st_mtime, st.st_size)
-
-
-def _listdir(path):
-    try:
-        return os.listdir(path)
-    except FileNotFoundError:
-        return []
+from chatmaild.expire import get_file_entry, os_listdir_if_exists
 
 
 def scan_mailbox_messages(mailbox_dir):
+    """Collect FileEntry items from top-level cur/new/tmp only."""
+    mbox = Path(mailbox_dir)
     messages = []
     for sub in ("cur", "new", "tmp"):
-        subdir = f"{mailbox_dir}/{sub}"
-        for name in _listdir(subdir):
-            entry = _get_file_entry(f"{subdir}/{name}")
-            if entry is not None:
+        for name in os_listdir_if_exists(mbox / sub):
+            if entry := get_file_entry(str(mbox / sub / name)):
                 messages.append(entry)
     return messages
 
 
-def _remove_stale_caches(mailbox_dir):
-    for name in ("maildirsize", "dovecot.index.cache"):
-        try:
-            os.unlink(f"{mailbox_dir}/{name}")
-        except FileNotFoundError:
-            pass
+def expire_to_target(mailbox_dir, target_bytes):
+    """Remove oldest files until total size <= *target_bytes*.
 
-
-def expire_to_target(mailbox_dir, target_bytes, now=None):
-    """Remove highest-scored files until total size <= *target_bytes*.
-
-    Returns the list of removed file paths.
+    Returns ``(removed_count, cache_bytes)`` where *cache_bytes*
+    is the size of the deleted ``dovecot.index.cache`` file
+    (0 when the file did not exist).
     """
-    if now is None:
-        now = time.time()
-
-    messages = scan_mailbox_messages(mailbox_dir)
+    mbox = Path(mailbox_dir)
+    messages = scan_mailbox_messages(mbox)
     total_size = sum(m.size for m in messages)
-
-    if total_size <= target_bytes:
-        return []
-
-    # Score: large and old files get the highest score.
-    scored = sorted(
-        messages,
-        key=lambda m: m.size * (now - m.mtime),
-        reverse=True,
-    )
-
-    removed = []
-    for entry in scored:
+    removed = 0
+    for count, entry in enumerate(sorted(messages, key=lambda m: m.mtime), 1):
         if total_size <= target_bytes:
             break
-        try:
-            os.unlink(entry.path)
-        except FileNotFoundError:
-            continue
+        Path(entry.path).unlink(missing_ok=True)
         total_size -= entry.size
-        removed.append(entry.path)
+        removed = count
 
-    if removed:
-        _remove_stale_caches(mailbox_dir)
-
-    return removed
+    (mbox / "maildirsize").unlink(missing_ok=True)
+    cache = mbox / "dovecot.index.cache"
+    try:
+        cache_bytes = cache.stat().st_size
+    except FileNotFoundError:
+        cache_bytes = 0
+    cache.unlink(missing_ok=True)
+    return removed, cache_bytes
 
 
 def main(args=None):
@@ -105,48 +68,23 @@ def main(args=None):
     )
     parser.add_argument(
         "mailbox_path",
-        help="path to a user mailbox, or with --sweep the mailboxes directory",
-    )
-    parser.add_argument(
-        "--sweep",
-        action="store_true",
-        help="sweep all mailboxes under mailbox_path",
+        help="path to a user mailbox",
     )
     args = parser.parse_args(args)
 
     target_bytes = args.target_mb * 1024 * 1024
 
-    if args.sweep:
-        return _sweep(args.mailbox_path, target_bytes)
-
-    removed = expire_to_target(args.mailbox_path, target_bytes)
-    if removed:
+    removed_count, cache_bytes = expire_to_target(args.mailbox_path, target_bytes)
+    if removed_count:
+        user = Path(args.mailbox_path).name
+        cache_mb = cache_bytes / 1024 / 1024
         print(
-            f"removed {len(removed)} file(s) from {args.mailbox_path}"
-            f" to reach {args.target_mb} MB target",
+            f"quota-expire: removed {removed_count} message(s) from {user}"
+            f" cache={cache_mb:.1f}MB",
             file=sys.stderr,
         )
     return 0
 
 
-def _sweep(mailboxes_dir, target_bytes):
-    try:
-        names = os.listdir(mailboxes_dir)
-    except FileNotFoundError:
-        print(f"directory not found: {mailboxes_dir}", file=sys.stderr)
-        return 1
-    for name in sorted(names):
-        if "@" not in name:
-            continue
-        mbox = f"{mailboxes_dir}/{name}"
-        removed = expire_to_target(mbox, target_bytes)
-        if removed:
-            print(
-                f"removed {len(removed)} file(s) from {name}",
-                file=sys.stderr,
-            )
-    return 0
-
-
 if __name__ == "__main__":
     sys.exit(main())

chatmaild/src/chatmaild/tests/test_config.py

@@ -1,6 +1,6 @@
 import pytest
 
-from chatmaild.config import read_config
+from chatmaild.config import parse_size_mb, read_config
 
 
 def test_read_config_basic(example_config):
@@ -34,6 +34,8 @@ def test_read_config_testrun(make_config):
     assert config.postfix_reinject_port == 10025
     assert config.max_user_send_per_minute == 60
     assert config.max_mailbox_size == "500M"
+    assert config.delete_mails_after == "20"
+    assert config.delete_large_after == "7"
     assert config.username_min_length == 9
     assert config.username_max_length == 9
     assert config.password_min_length == 9
@@ -119,3 +121,17 @@ def test_config_tls_external_bad_format(make_config):
                 "tls_external_cert_and_key": "/only/one/path.pem",
             },
         )
+
+
+def test_parse_size_mb():
+    assert parse_size_mb("500M") == 500
+    assert parse_size_mb("2G") == 2048
+    assert parse_size_mb("  1g  ") == 1024
+    assert parse_size_mb("100MB") == 100
+    assert parse_size_mb("256") == 256
+
+
+def test_max_mailbox_size_mb(make_config):
+    config = make_config("chat.example.org")
+    assert config.max_mailbox_size == "500M"
+    assert config.max_mailbox_size_mb == 500

chatmaild/src/chatmaild/tests/test_expire.py

@@ -1,6 +1,7 @@
 import os
 import random
 from datetime import datetime
+from fnmatch import fnmatch
 from pathlib import Path
 
 import pytest
@@ -153,6 +154,35 @@ def test_expiry_cli_basic(example_config, mbox1):
     expiry_main(args)
 
 
+def test_expiry_cli_old_files(capsys, example_config, mbox1):
+    relpaths_old = ["cur/msg_old1", "cur/msg_old1"]
+    cutoff_days = int(example_config.delete_mails_after) + 1
+    create_new_messages(mbox1.basedir, relpaths_old, size=1000, days=cutoff_days)
+
+    relpaths_large = ["cur/msg_old_large1", "new/msg_old_large2"]
+    cutoff_days = int(example_config.delete_large_after) + 1
+    create_new_messages(
+        mbox1.basedir, relpaths_large, size=1000 * 300, days=cutoff_days
+    )
+
+    create_new_messages(mbox1.basedir, ["cur/shouldstay"], size=1000 * 300, days=1)
+
+    args = str(example_config._inipath), "--remove", "-v"
+    expiry_main(args)
+    out, err = capsys.readouterr()
+
+    allpaths = relpaths_old + relpaths_large + ["maildirsize"]
+    for path in allpaths:
+        for line in err.split("\n"):
+            if fnmatch(line, f"removing*{path}"):
+                break
+        else:
+            if path != "new/msg_old_large2":
+                pytest.fail(f"failed to remove {path}\n{err}")
+
+    assert "shouldstay" not in err
+
+
 def test_get_file_entry(tmp_path):
     assert get_file_entry(str(tmp_path.joinpath("123123"))) is None
     p = tmp_path.joinpath("x")

chatmaild/src/chatmaild/tests/test_quota_expire.py

@@ -1,7 +1,7 @@
 import os
 import time
 
-from chatmaild.quota_expire import expire_to_target, scan_mailbox_messages
+from chatmaild.quota_expire import expire_to_target, main, scan_mailbox_messages
 
 MB = 1024 * 1024
 
@@ -19,10 +19,7 @@ def test_scan_cur_new_tmp(tmp_path):
     _create_message(tmp_path, "cur/msg1", 100)
     _create_message(tmp_path, "new/msg2", 200)
     _create_message(tmp_path, "tmp/msg3", 300)
-    messages = scan_mailbox_messages(str(tmp_path))
-    assert len(messages) == 3
-    sizes = sorted(m.size for m in messages)
-    assert sizes == [100, 200, 300]
+    assert len(scan_mailbox_messages(str(tmp_path))) == 3
 
 
 def test_scan_ignores_subfolders(tmp_path):
@@ -31,61 +28,46 @@ def test_scan_ignores_subfolders(tmp_path):
     assert len(scan_mailbox_messages(str(tmp_path))) == 1
 
 
-def test_scan_empty(tmp_path):
-    assert scan_mailbox_messages(str(tmp_path)) == []
-    assert scan_mailbox_messages(str(tmp_path / "nope")) == []
-
-
-def test_noop_under_limit(tmp_path):
-    _create_message(tmp_path, "cur/msg1", MB)
-    assert expire_to_target(str(tmp_path), 2 * MB) == []
-    assert (tmp_path / "cur" / "msg1").exists()
-
-
 def test_removes_to_target(tmp_path):
-    now = time.time()
     for i in range(15):
         _create_message(tmp_path, f"cur/msg{i:02d}", MB, days_old=i + 1)
-    removed = expire_to_target(str(tmp_path), 10 * MB, now=now)
-    assert len(removed) == 5
+    removed, _ = expire_to_target(str(tmp_path), 10 * MB)
+    assert removed == 5
     assert len(scan_mailbox_messages(str(tmp_path))) == 10
 
 
-def test_scoring_prefers_large_old(tmp_path):
-    now = time.time()
-    _create_message(tmp_path, "cur/large_old", 2 * MB, days_old=30)
-    _create_message(tmp_path, "cur/small_new", MB, days_old=1)
-    removed = expire_to_target(str(tmp_path), 2 * MB, now=now)
-    assert len(removed) == 1
-    assert "large_old" in removed[0]
-
-
-def test_scoring_large_new_beats_small_old(tmp_path):
-    now = time.time()
-    _create_message(tmp_path, "cur/big_new", 10 * MB, days_old=1)
-    _create_message(tmp_path, "cur/small_old", MB, days_old=5)
-    # big_new score: 10MB * 1d = 10  vs  small_old score: 1MB * 5d = 5
-    removed = expire_to_target(str(tmp_path), 10 * MB, now=now)
-    assert len(removed) == 1
-    assert "big_new" in removed[0]
+def test_removes_oldest_first(tmp_path):
+    _create_message(tmp_path, "cur/old_small", MB, days_old=30)
+    _create_message(tmp_path, "cur/new_huge", 10 * MB, days_old=1)
+    # the 10MB file is kept, the 1MB file is removed because it's older
+    removed, _ = expire_to_target(str(tmp_path), 10 * MB)
+    assert removed == 1
+    assert not (tmp_path / "cur/old_small").exists()
+    assert (tmp_path / "cur/new_huge").exists()
 
 
 def test_exact_limit(tmp_path):
     _create_message(tmp_path, "cur/msg1", 5 * MB)
-    assert expire_to_target(str(tmp_path), 5 * MB) == []
+    removed, _ = expire_to_target(str(tmp_path), 5 * MB)
+    assert removed == 0
 
 
 def test_removes_stale_caches(tmp_path):
     _create_message(tmp_path, "cur/msg1", 2 * MB, days_old=5)
     (tmp_path / "maildirsize").write_text("x")
-    (tmp_path / "dovecot.index.cache").write_text("x")
-    expire_to_target(str(tmp_path), MB)
+    (tmp_path / "dovecot.index.cache").write_bytes(b"y" * 4096)
+    removed, cache_bytes = expire_to_target(str(tmp_path), MB)
+    assert removed == 1
+    assert cache_bytes == 4096
     assert not (tmp_path / "maildirsize").exists()
     assert not (tmp_path / "dovecot.index.cache").exists()
 
 
-def test_no_cache_removal_when_under_limit(tmp_path):
-    _create_message(tmp_path, "cur/msg1", MB)
-    (tmp_path / "maildirsize").write_text("x")
-    expire_to_target(str(tmp_path), 2 * MB)
-    assert (tmp_path / "maildirsize").exists()
+def test_logging_output_is_mtail_compatible(tmp_path, capsys):
+    mbox = tmp_path / "user@example.org"
+    _create_message(mbox, "cur/msg1", 2 * MB, days_old=5)
+    (mbox / "dovecot.index.cache").write_bytes(b"c" * 2 * MB)
+    main([str(1), str(mbox)])
+    _, err = capsys.readouterr()
+    assert "quota-expire: removed 1 message(s) from user@example.org" in err
+    assert "cache=2.0MB" in err

cmdeploy/src/cmdeploy/dovecot/dovecot.conf.j2

@@ -149,15 +149,19 @@ plugin {
 }
 
 plugin {
-  # for now we define static quota-rules for all users
   quota = maildir:User quota
-  quota_rule = *:storage={{ config.max_mailbox_size }}
   quota_max_mail_size={{ config.max_message_size }}
   quota_grace = 0
 
-  # When a user reaches 90% quota, run chatmail-quota-expire
-  # to remove large/old messages until usage is below 80%.
-  quota_warning = storage=90%% quota-warning {{ config.max_mailbox_size_mb * 80 // 100 }} {{ config.mailboxes_dir }}/%u
+  # Inflate the dovecot-visible quota so that Delta Chat clients
+  # (which warn at 80% of the IMAP-reported limit) never see
+  # quota warnings -- expire kicks in well before that point.
+  quota_rule = *:storage={{ config.max_mailbox_size_mb * 140 // 100 }}M
+
+  # Trigger when usage reaches the configured max_mailbox_size
+  # (72% of inflated = ~100% of configured), then expire oldest
+  # messages down to 80% of the configured max_mailbox_size.
+  quota_warning = storage=72%% quota-warning {{ config.max_mailbox_size_mb * 80 // 100 }} {{ config.mailboxes_dir }}/%u
 }
 
 service quota-warning {

cmdeploy/src/cmdeploy/mtail/delivered_mail.mtail

@@ -78,3 +78,11 @@ counter rejected_unencrypted_mail_count
 /Rejected unencrypted mail/ {
   rejected_unencrypted_mail_count++
 }
+
+counter quota_expire_runs
+counter quota_expire_removed_files
+
+/quota-expire: removed (?P<count>\d+) message\(s\)/ {
+  quota_expire_runs++
+  quota_expire_removed_files += $count
+}

cmdeploy/src/cmdeploy/tests/online/test_1_basic.py

@@ -244,6 +244,24 @@ def test_exceed_rate_limit(cmsetup, gencreds, maildata, chatmail_config):
     pytest.fail("Rate limit was not exceeded")
 
 
+@pytest.mark.slow
+def test_expunged(remote, chatmail_config):
+    outdated_days = int(chatmail_config.delete_mails_after) + 1
+    find_cmds = [
+        f"find {chatmail_config.mailboxes_dir} -path '*/cur/*' -mtime +{outdated_days} -type f",
+        f"find {chatmail_config.mailboxes_dir} -path '*/.*/cur/*' -mtime +{outdated_days} -type f",
+        f"find {chatmail_config.mailboxes_dir} -path '*/new/*' -mtime +{outdated_days} -type f",
+        f"find {chatmail_config.mailboxes_dir} -path '*/.*/new/*' -mtime +{outdated_days} -type f",
+        f"find {chatmail_config.mailboxes_dir} -path '*/tmp/*' -mtime +{outdated_days} -type f",
+        f"find {chatmail_config.mailboxes_dir} -path '*/.*/tmp/*' -mtime +{outdated_days} -type f",
+    ]
+    outdated_days = int(chatmail_config.delete_large_after) + 1
+    find_cmds.append(
+        f"find {chatmail_config.mailboxes_dir} -path '*/cur/*' -mtime +{outdated_days} -size +200k -type f"
+    )
+    for cmd in find_cmds:
+        for line in remote.iter_output(cmd):
+            assert not line
 
 
 def test_deployed_state(remote):

cmdeploy/src/cmdeploy/tests/online/test_2_deltachat.py

@@ -88,9 +88,12 @@ class TestEndToEndDeltaChat:
             return int(float(number) * units[unit])
 
         quota = parse_size_limit(chatmail_config.max_mailbox_size)
+        # Dovecot quota is inflated to 140% of the configured limit
+        # so that quota-expire keeps users below the warning threshold.
+        dovecot_quota = quota * 140 // 100
 
         lp.sec(f"filling remote inbox for {user}")
-        fn = f"7743102289.M843172P2484002.c20,S={quota},W=2398:2,"
+        fn = f"7743102289.M843172P2484002.c20,S={dovecot_quota},W=2398:2,"
         path = chatmail_config.mailboxes_dir.joinpath(user, "cur", fn)
         sshexec = get_sshexec(sshdomain)
         sshexec(call=rshell.write_numbytes, kwargs=dict(path=str(path), num=120))

doc/source/overview.rst

@@ -102,14 +102,15 @@ short overview of ``chatmaild`` services:
    Apple/Google/Huawei.
 
 -  `chatmail-expire <https://github.com/chatmail/relay/blob/main/chatmaild/src/chatmaild/expire.py>`_
-   deletes entire mailboxes of users who have not logged in
-   for longer than ``delete_inactive_users_after`` days.
+   deletes old messages, large messages, and entire mailboxes
+   of users who have not logged in for longer than
+   ``delete_inactive_users_after`` days.
 
--  `chatmail-quota-expire <https://github.com/chatmail/relay/blob/main/chatmaild/src/chatmaild/quota_expire.py>`_
+-  ``chatmail-quota-expire``
    is called by Dovecot's ``quota_warning`` mechanism when a
-   user reaches 90% of their mailbox quota.
-   It removes the largest and oldest messages
-   until usage drops below 80% of the quota.
+   mailbox exceeds ``max_mailbox_size``.
+   It removes the oldest messages
+   until usage drops to a safe level.
 
 -  `lastlogin <https://github.com/chatmail/relay/blob/main/chatmaild/src/chatmaild/lastlogin.py>`_
    is contacted by Dovecot when a user logs in and stores the date of
@@ -145,7 +146,7 @@ Chatmail relay dependency diagram
         certs-nginx[("`TLS certs
         /var/lib/acme`")] --> nginx-internal;
         systemd-timer --- acmetool;
-        systemd-timer --- chatmail-expire-inactive;
+        systemd-timer --- chatmail-expire-daily;
         systemd-timer --- chatmail-fsreport-daily;
         acmetool --> certs[("`TLS certs
         /var/lib/acme`")];
@@ -166,7 +167,7 @@ Chatmail relay dependency diagram
         chatmail-quota-expire --- maildir;
         lastlogin --- maildir;
         doveauth --- maildir;
-        chatmail-expire-inactive --- maildir;
+        chatmail-expire-daily --- maildir;
         chatmail-fsreport-daily --- maildir;
         chatmail-metadata --- iroh-relay;
         chatmail-metadata --- |encrypted device token| notifications.delta.chat;