Ars Technica

Postfix rejects mail from a couple internal servers (reject_unknown_sender_domain?)

Good morning, Ars. -- View image here: http://episteme.arstechnica.com/groupee_common/emoticons/icon_wink.gif --<br><br>One of our primary mail servers has been ...
Ars Technica

Encrypt incoming and outgoing mail with PGP (for Postfix)

gpg-mailgate is a small content filter for Postfix + web interface that allows any user to upload PGP keys to your server (and confirm email address), and then will begin encrypting any outgoing mail ...
TechRepublic

Configure IT Quick: Set up a basic e-mail server with Postfix as the MTA

Configure IT Quick: Set up a basic e-mail server with Postfix as the MTA Your email has been sent For all the apparent simplicity of e-mail, setting up a mail server is one of the most difficult ...
Computerworld

Installing a Postfix mail server based on virtual users and domains

Learn how to install a Postfix mail server that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. The author also demonstrates the installation and ...
TechRepublic

Build Your Skills: Block spam at the server with these Postfix techniques

Build Your Skills: Block spam at the server with these Postfix techniques Your email has been sent Explores some of the principles of configuring Postfix to accept or reject messages before they ever ...
Linux Journal

Building a Scalable High-Availability E-Mail System with Active Directory and More

In early 2006, Marshall University laid out a plan to migrate HOBBIT (Figure 1), an HP OpenVMS cluster handling university-wide e-mail services. Plagued with increasing spam attacks, this cluster ...