Postfix is a very good MTA (mail transport agent), here are some quick commands that help with queue management: sudo mailq|wc -l – give an approximation of the number of emails in the mailq in the number at the beginning of the line sudo postconf -e defer_transports=smtp;sudo postfix reload : pause email delivery but still [...]

Disable Postfix Amavis Configuration First you will need to comment out the content_filter line which will look similar to the below. In my case it is telling Postfix to send local mail through port 10024 on the localhost or 127.0.0.1. The Postfix configuration file is named main.cf and located in the /etc/postfix directory. Active Postfix [...]