Sep 6 2013

Postfix: Configure a SmartHost with SMTP Authentication and TLS.

A smart host is a type of mail relay server which allows an SMTP server to route e-mail to an intermediate mail server rather than directly to the recipient’s server. [Wikipedia]

This document aims to describe some simple steps to setup a Postfix eMail server with a SmartHost used to relay messages through. The SmartHost will be authenticated and secured trough TLS.
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Dec 7 2011

SMTP AUTH Connection Tests

When configuring an OutBound SMTP Relay, it is important to restrict the access to owned / authorized networks or to specific users with authentication (to not be used as ‘OpenRelay Server for garbage submission).

For this reason it is important to know how-to check if the Authentication Mechanism is working perfectly.
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