Symptoms
- All emails that are sent from the Plesk server are rejected with the following error in
/var/log/maillog
:554:5.7.0 Your message could not be sent. The user filteramm is not allowed to send email. : Command died with status 100
- Massive Adjust Mailbox extension is installed on the server in Extensions > My Extensions menu
Cause
Critical Massive Adjust Mailbox extension is not compatible with Plesk version that is currently in use
Resolution
- Connect to the server via SSH
- Run the following command to make extension compatible with Plesk version:
# /usr/local/psa/admin/sbin/mailmng-outgoing –add-to-whitelist –sysuser=filteramm