Fatal: bind 0.0.0.0 port 25: Address already in use with plesk server

Post fix restart produces the following # tail -f /usr/local/psa/var/log/maillog Mar 4 21:40:07 postfix/postfix-script[24660]: fatal: the Postfix mail system is not running Mar 4 21:40:08 postfix/postfix-script[24731]: starting the Postfix mail system Mar 4 21:40:08 postfix/master[24732]: fatal: bind 0.0.0.0 port 25: Address already in use Look for multiple instances of smtpRead More…

Notice: Error: EHLO not accepted from server

Error in plesk postfix email logs: Notice: Error: EHLO not accepted from server! in /var/www/vhosts/domain.com/httpdocs/system/library/mail.php on line 237 Check postfix main and comment out non_smtpd_milters: smtpd_milters = , inet:127.0.0.1:12768 #non_smtpd_milters = , inet:127.0.0.1:12768 Restart postfix: # service postfix restart Shutting down postfix: [ OK ] Starting postfix: [ OK ]

X-No-Relay: not in my network” and “X-No-Auth: unauthenticated sender” in message

Source: http://kb.sp.parallels.com/en/115472 My server is using the Postfix mail server. For some reason, all messages it sends contain unnecessary headers, like the following: X-No-Relay: not in my network or X-No-Auth: unauthenticated sender The number of headers is multiplied by the number of message recipients, e.g., the headers of a messageRead More…