How to Setup A Local Mail Server In CentOS 7
In this tutorial, I will setup a local mail server for my mini project. This mail server use this 3 services:
1) Postfix
2) Dovecot
3) Squirrel mail for web main
I hope that this video will help you in solving your problem.
Reference Link
https://www.unixmen.com/setup-a-local...
Credit to www.unixmen.com for this great tutorial