Hey there,
so today I noticed that sometimes a SMTP 554 is a DSN=4.0.0 for the Proxmox Mail Gateway and is handling the Mail as 400 errors.
Can I somehow honor the 554 error?
2024-06-26T10:28:48.553610+02:00 mx postfix/lmtp[154285]: 2B8644095D: to=<Somerecipient>...
