I stopped postfix and dovecot, cleared the logs, started postfix and dovecot, attempted to send an email to smok...@sizzelicks.com (I don't see this in the logs) and then attempted to create a mail account in Thunderbird for smok...@sizzelicks.com
syslog Dec 3 19:26:55 softlinksys systemd[1]: Starting Postfix Mail Transport Agent (instance -)... Dec 3 19:26:55 softlinksys postfix/postfix-script[5508]: warning: symlink leaves directory: /etc/postfix/./makedefs.out Dec 3 19:26:56 softlinksys postfix/postfix-script[5675]: starting the Postfix mail system Dec 3 19:26:56 softlinksys postfix/master[5677]: daemon started -- version 3.4.13, configuration /etc/postfix Dec 3 19:26:56 softlinksys systemd[1]: Started Postfix Mail Transport Agent (instance -). Dec 3 19:26:56 softlinksys systemd[1]: Starting Postfix Mail Transport Agent... Dec 3 19:26:56 softlinksys systemd[1]: Finished Postfix Mail Transport Agent. Dec 3 19:27:05 softlinksys systemd[1]: Started Dovecot IMAP/POP3 email server. Dec 3 19:27:05 softlinksys dovecot: master: Dovecot v2.3.7.2 (3c910f64b) starting up for imap, pop3, lmtp (core dumps disabled) Dec 3 19:32:10 softlinksys dovecot: imap-login: Disconnected (auth failed, 3 attempts in 14 secs): user=<smoker1>, method=PLAIN, rip=67.8.3.170, lip=194.163.45.150, TLS, session=<cTbA9ULS2stDCAOq> mail.log Dec 3 19:26:55 softlinksys postfix/postfix-script[5508]: warning: symlink leaves directory: /etc/postfix/./makedefs.out Dec 3 19:26:56 softlinksys postfix/postfix-script[5675]: starting the Postfix mail system Dec 3 19:26:56 softlinksys postfix/master[5677]: daemon started -- version 3.4.13, configuration /etc/postfix Dec 3 19:27:05 softlinksys dovecot: master: Dovecot v2.3.7.2 (3c910f64b) starting up for imap, pop3, lmtp (core dumps disabled) Dec 3 19:32:10 softlinksys dovecot: imap-login: Disconnected (auth failed, 3 attempts in 14 secs): user=<smoker1>, method=PLAIN, rip=67.8.3.170, lip=194.163.45.150, TLS, session=<cTbA9ULS2stDCAOq> -----Original Message----- From: owner-postfix-us...@postfix.org <owner-postfix-us...@postfix.org> On Behalf Of Wietse Venema Sent: Friday, December 3, 2021 1:35 PM To: Postfix users <postfix-users@postfix.org> Subject: Re: virtual mailbox domains?? post...@aecperformance.com: > How can I debug/resolve this problem? By sharing Postfix logs, in addition to Postfix configurations. "email to X bounces" is not sufficient to determine *WHY* delivery is failing. Wietse