Category: Postfix


Unable to send mail using postfix STARTTLS authentication: 4.7.0 TLS not available due to local problem

Unable to send an email using the STARTTLS authentication: 454 4.7.0 TLS not available due to local problem Cause TLS misconfiguration in Postfix: The postfix_default.pem certificate file does not contain the valid SSL certificate or it is broken. The path to the certificate is incorrect in the /etc/postfix/ file. TLS configuration parameters are missing in …

CentOS, Linux, Plesk, Postfix

Postfix Spam Tracking

Get the mailids of all email currently in queue: postqueue -p|egrep “[A-F0-9]{11}”|awk ‘{print $1}’ Get the count of emails in queue: mailq | tail -n 1 or postqueue -p|egrep “[A-F0-9]{11}”|awk ‘{print $1}’|wc -l List all message in queue: postqueue -p To flush the mail queue: postqueue -f To remove all mails from the queue: postsuper …