Postfix in OpenSUSE Without MySQL DB
In this guide, We will start installing postfix without MySQL DB.This is more simple than postfix with MySQL DB because without DB we just need to map a user in postfix "virtual" file.
We will using authshadow to authentication with postfix. so postfix will search user and password in /etc/shadow
What is the different with Postfix with MySQL DB?
Postfix with MySQL DB will stored all user and password in MySQL DB
so we don't need to map a user and other options in postfix 'virtual" file