Unable to send email messages from the Plesk server with the following error in
%plesk_dir%Mail ServersMail EnableLoggingSMTPSMTP-Debug-XX.logfile:
 Relay Denied: Failed to meet all relay criteria. Attempt to relay to [SMTP:[email protected]] was denied for requesting IP Address 203.0.113.2
The IP address
203.0.113.2 does not have relay rights.
Log into the server via RDP.
Go to Start > MailEnable > Servers > Localhost > Services and Connectors > right click on SMTP > Properties > Relay.
- Enable the Allow relay for privileged IP ranges option and press the Apply button:
- Press on the Privileged IPs button and in the next appeared window press the Add button.
- Add the affected IP address
203.0.113.2and select the Grated relay rights option:
- Press the Close button and in the next appeared window press the OK button.