How to: Secure My E-mail in Linux

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No Phishing: Protecting Employees from Email Fraud


Identity theft, or stealing a person’s credentials to gain access to accounts and information, has become the number one crime in the United States. One of the fastest growing forms of identity theft is phishing, a relatively new form of online fra

qmail Anti-Spam HOWTO


This document discusses anti-spam philosophies from a variety of perspectives and provides information about available options for dealing with spam.

A Newbie's Guide to Qmail


This documentation is a step-by-step guide to downloading, compiling and installing Qmail: a Mail Transport Agent (MTA) that was closed to third-party relay *by default*.

A Brief Comparison of Email Encryption Protocols


This documentation briefly reviews and compares five major email encryption protocols under consideration: MOSS, MSP, PGP, PGP/MIME, and S/MIME. Each is capable of adequate security, but also suffers from the lack of good implementation, in the conte