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Tag Archives: postfix

DKIM/Domainkeys signing via DKIMproxy

Posted on May 14, 2011 by cyberx86
2

With the ever increasing volume of SPAM being transmitted, many email services look toward more elaborate ways to authenticate email. Beyond the obvious – content – two commonly used methods (perhaps with some variations), include sender policy framework (SPF), and … Continue reading →

Posted in: Systems Admin Tagged: dkim, domainkeys, email, postfix, spam

Using Telnet with an SMTP Server

Posted on January 27, 2011 by cyberx86
9

Despite having been around for a long time, telnet is an invaluable tool for testing a mail server. It allows one to pinpoint errors in the process – some which are not logged – and to quickly validate that things … Continue reading →

Posted in: Software, Systems Admin Tagged: email, postfix, smtp, telnet
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