I am running Centos 5 with Parallels Plesk Panel 10.3.1. My MTA is Postfix. I was looking for some solution to forward all the mails for user root to some external email address. Follow these steps at your own risk to achieve this.
Plesk stores the mail aliases database in /var/spool/postfix/plesk/aliases.db file. If this is the first time you are browsing the folder /var/spool/postfix/plesk then you will not find the file named aliases but instead you will find aliases.db file. These db files are binary files so you need to have some tool to decode this file to text format ; make the changes in the text file and convert it back to the database file. Continue reading How to forward mails for root to external email address using Postfix in Plesk environment