[TL;DR at bottom]<br><br>I do a lot of the server administration at my company. We have around 1500 employees spread out over 100 regional offices (which are all on one WAN using OpenVPN). On the back ...

We're running Postfix on our DMZ to receive incoming email which it then forwards to our internal Exchange server. Exchange sends e-mails directly to the internet via SMTP virtual server. The MX ...

This tutorial explains how to use a recipe of Davmail, Fetchmail, Postfix, and Courier IMAP to interface standards-based e-mail clients with Exchange’s Outlook Web Access, and to integrate corporate ...