How to set up Clam Antivirus, SpamAssassin and MailScanner on Ubuntu mail server

Antivirus and anti-spam protection are the among the most important security features for a mail server. Unix/Linux based mail servers are typically invulnerable to malware and viruses, and there is a very slim chance that the server itself may get infected. On the other hand, the operating system of an end user device may not […]
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How to configure a mail server with Postfix and Dovecot for different requirements

Mail server admins may often have to deal with different types of requirements based on service policies or customer-specific requests. This tutorial will cover common cases of mail server administration. More specifically, it will show how different mail server requirements can be met by tuning parameters of Postfix and Dovecot. Useful Postfix Commands Before we […]
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How to enable user authentication for a Postfix SMTP server with SASL

Every mail server administrator dreads his or her server becoming compromised by spammers. A lot of effort, time and even money is spent on securing mail servers and making sure that the servers do not become open relay. To combat against spambots in an SMTP server, Postfix in general uses the mynetworks parameter to specify […]
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