- Plesk Onyx for Linux
Mail sent from the contact form on a website does not get delivered.
Mails sent from WordPress mail plugin are not sent.
Mails sent from another account on the same server is not delivered to firstname.lastname@example.org:
The following error appears in
CONFIG_TEXT: 1722AA014B1: email@example.com, relay=4054.smtp.server.com[203.0.113.2]:587, delay=0.85, delays=0.08/0.01/0.26/0.49, dsn=5.0.0, status=bounced (host 4054.smtp.example.com[203.0.113.2] said: 550-Verification failed for firstname.lastname@example.org 550-Called: 203.0.113.2 550-Sent: RCPT TO:email@example.com 550-Response: 550-5.1.1 firstname.lastname@example.org: Recipient address rejected: 550-550 User unknown in virtual mailbox table 550 Invalid sender email@example.com (in reply to MAIL FROM command))
CONFIG_TEXT: NOQUEUE: reject: RCPT from unknown[203.0.113.2]: 550 5.1.1 firstname.lastname@example.org>: Recipient address rejected: User unknown in virtual mailbox table; email@example.com firstname.lastname@example.org> proto=ESMTP helo=<example.net>
Mailbox email@example.com is not listed at Plesk > Domains > example.com > Email Addresses.
The output of the command below is similar to the following:
# ls -la /var/qmail/mailnames/example.com/jdoe
ls: cannot access /var/qmail/mailnames/example.com/jdoe: No such file or directory
Mailbox firstname.lastname@example.org does not exist on the server.
In case the issue happens with a contact form, alternatively, another solution is to modify it to use another existing mailbox.