Mailserver: Restrictions – Part 8

In Part 8 of the Mailserver Configuration series, we are going to go over setting up restrictions in Postfix. Right now our mailserver does very little to verify the sender of a message. We are going to tell Postfix to see what IP address a message is coming from before accepting it, and if that…


Mailserver: CentOS 7 Server Configuration – Part 1

Introduction This is a multi-part guide for configuring a full-featured mailserver. At the end of this guide you will have a mailserver capable of providing standard email services to multiple domains. I will be using Postfix, Dovecot, ViMbAdmin, and Roundcube. The mailserver will include Anti-Virus (AV) and Anti-Spam (AS) protection including real-time blacklist (RBL) checks. I…