post...@aecperformance.com: > I attempted to send an email to smok...@sizzelicks.com. It bounced.
Wietse: > What is the Postfix logging for this? Be sure to include more than only the > delivery error (i.e. logging from pickup or smtpd; cleanup; qmgr; ...). > This is the first problem that you need to fix. post...@aecperformance.com: > I'm not sure what you mean here. LOGS from the machine that runs Postfix, for your attempt to send mail to smok...@sizzelicks.com. Here's what is looged when I send email to smok...@sizzelicks.com: Dec 6 12:31:33 spike postfix/smtp[22522]: 4J79T171qVzJrP1: to=<smok...@sizzelicks.com>, relay=mail.sizzelicks.com[2a02:4780:10:e096::1]:25, delay=15, delays=0.13/0.012/15/0.16, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as ECEDAA06C5) You can the corresponding logs at your end by searching for "ECEDAA06C5". Your mail client reports: > 'smok...@sizzelicks.com' on 12/6/2021 11:22 AM > Server error: '550 No Such User Here"' That does not look like a Postfix response. What system is returning these results to you? Wietse