How To Disable Email Bounce Messages In Postfix

Author: , March 18th, 2022

How To Block Email Using Subject Headers In Postfix

Author: , December 7th, 2021

I needed to block email based on the Subject header. The solution is simple: Edit main.cf as root and uncomment or add:

Next, creaate or edit /etc/postfix/header_checks as root and add the following line:

Finally, run sudo postfix reload NOTE: Do NOT add the “i” after the regular expression! It is case-insensitive by […]

How To Revert All Changes in a git Branch

Author: , August 2nd, 2018

git checkout -f