i can’t understand why postfix restart every time (between 5 and 10 minutes)
If someone have the solution.
Postfix log:
postfix-mailcow-1 | Nov 6 12:59:29 d9f71986f9a9 postfix/anvil[384]: statistics: max cache size 3 at Nov 6 12:58:30
postfix-mailcow-1 | 2025-11-06 13:01:14,330 WARN received SIGTERM indicating exit request
postfix-mailcow-1 | 2025-11-06 13:01:14,438 INFO waiting for processes, postfix, syslog-ng to die
postfix-mailcow-1 | Nov 6 13:01:14 d9f71986f9a9 syslog-ng[10]: syslog-ng shutting down; version=‘3.38.1’
postfix-mailcow-1 | 2025-11-06 13:01:14,749 INFO stopped: syslog-ng (exit status 0)
postfix-mailcow-1 | 2025-11-06 13:01:15,761 WARN stopped: postfix (terminated by SIGTERM)
postfix-mailcow-1 | 2025-11-06 13:01:15,761 INFO reaped unknown pid 376 (terminated by SIGTERM)
postfix-mailcow-1 | 2025-11-06 13:01:15,761 INFO reaped unknown pid 377 (terminated by SIGTERM)
postfix-mailcow-1 | 2025-11-06 13:01:15,762 INFO reaped unknown pid 378 (terminated by SIGTERM)
postfix-mailcow-1 | 2025-11-06 13:01:15,762 INFO reaped unknown pid 380 (terminated by SIGTERM)
postfix-mailcow-1 | 2025-11-06 13:01:15,762 INFO reaped unknown pid 383 (terminated by SIGTERM)
postfix-mailcow-1 | 2025-11-06 13:01:15,762 INFO reaped unknown pid 384 (terminated by SIGTERM)
postfix-mailcow-1 | 2025-11-06 13:01:15,762 INFO reaped unknown pid 385 (terminated by SIGTERM)
postfix-mailcow-1 | 2025-11-06 13:01:15,763 INFO reaped unknown pid 386 (terminated by SIGTERM)
postfix-mailcow-1 | 2025-11-06 13:01:15,763 INFO reaped unknown pid 399 (terminated by SIGTERM)
postfix-mailcow-1 | 2025-11-06 13:01:15,836 WARN stopped: processes (terminated by SIGTERM)
postfix-mailcow-1 | 2025-11-06 13:01:15,837 INFO reaped unknown pid 476 (exit status 1)
postfix-mailcow-1 | 2025-11-06 13:01:23,614 INFO Set uid to user 0 succeeded
postfix-mailcow-1 | 2025-11-06 13:01:23,631 INFO supervisord started with pid 1
postfix-mailcow-1 | 2025-11-06 13:01:24,634 INFO spawned: ‘processes’ with pid 8
postfix-mailcow-1 | 2025-11-06 13:01:24,637 INFO spawned: ‘postfix’ with pid 9
postfix-mailcow-1 | 2025-11-06 13:01:24,640 INFO spawned: ‘syslog-ng’ with pid 10
postfix-mailcow-1 | Uptime: 8311546 Threads: 16 Questions: 15456699 Slow queries: 0 Opens: 409 Open tables: 402 Queries per second avg: 1.859
postfix-mailcow-1 | Nov 6 13:01:25 d9f71986f9a9 syslog-ng[10]: syslog-ng starting up; version=‘3.38.1’
Watchdog log:
04/07/2025 13:31:24 Wait for restarted container to settle and continue watching…
04/07/2025 13:31:21 Sending restart command to 311f95bf8ed5a85c962ec27100109eb3dc1c46340fe7df50aa5f17f2ddb49d53…
04/07/2025 13:31:11 Postfix hit error limit
04/07/2025 13:31:10 ACME 0 Health level: 100% (1/1)
04/07/2025 13:31:10 Postfix -1 Health level: 0% (0/8)