- Server operating system version
- AlmaLinux 9.5 (Teal Serval)
- Plesk version and microupdate number
- 18.0.68 Update 1
All the mails in the queue are stuck as deferred
Please help!
Summary status
4.3.2 deferred (host 127.0.0.1[127.0.0.1] said: 421 4.3.2 Service shutting down, closing channel (in reply to RCPT TO command))Please help!