- Plesk for Linux
While trying to send an email from domain example.com using webmail, one of following errors are shown:
CONFIG_TEXT: User unknown in virtual alias table
CONFIG_TEXT: Could not send message to SMTP server. Check you have access to send messages via the server and that all To/CC/BCC addresses are valid
CONFIG_TEXT: Error: SMTP Server rejected email. Returned:550 5.1.1 email@example.com: Recipient address rejected: User unknown in virtual mailbox table
Local Postfix database file
/var/spool/postfix/plesk/virtual.db contains records about domains with mail hosting not from the Plesk server:
# postmap -s /var/spool/postfix/plesk/virtual
Connect to the Plesk server via SSH.
/var/spool/postfix/plesk/virtual.dbdatabase by executing this command:
# plesk repair mail
If the domain is an alias, ensure that mail service is disabled in Plesk > Domains > example.com > Hosting Settings
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