Author: Yeri Tiete

I suddenly noticed issues with Postfix not accepting e-mails that are tagged (“user+TAG@fqdn”) anymore. Even though it always had. Postfix main.cfg: recipient_delimiter = + Log snippet: Apr 16 13:07:52 vm-dns-mail postfix/pipe[6119]: 55D1C2005E4: to=<[email protected]>, relay=maildrop, delay=0.06, delays=0.01/0/0/0.05, dsn=5.1.1, status=bounced (user unknown. Command output: Invalid user specified. ) Tried to find what’s wrong in MySQL, change the delimiter, Debug…