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feat: Automatic per-user quota-preservation.

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Replace daily timer-based message expire script
with Dovecot quota-warning-triggered cleanup.
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` service now only
handles deletion of inactive user mailboxes.
This commit is contained in:
holger krekel
2026-04-18 01:27:48 +02:00
parent 0aa08b7413
commit fb80f23cfd
12 changed files with 303 additions and 83 deletions
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19
CHANGELOG.md
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@@ -1,5 +1,24 @@
# Changelog for chatmail deployment
## Unreleased
### 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
## 1.9.0 2025-12-18
### Documentation