Category Archives: Open source

Improving STARTTLS authentication in the Sendmail MTA

Posted on May 24, 2012 by Christophe Wolfhugel

After having worked on what I think is the right way to setup X.509 certificates for use in SMTP STARTTLS transactions (see my previous blog entry here), I am continuing my work on how we can improve the way the … Continue reading →

Posted in Christophe Wolfhugel, Email Security, Open source | Tagged , , | 2 Comments

Creating the right Certificates for STARTTLS use in SMTP

Posted on May 19, 2011 by Christophe Wolfhugel

Recently I have been playing  around with STARTTLS, SMTP & Enforcement of STARTTLS policy. This has led me to make several suggestions for evolutions on the way the sendmail open source MTA should handle this enforcement – I will address … Continue reading →

Posted in Christophe Wolfhugel, Email Security, Open source | 1 Comment

Latest Version of Sendmail Open Source MTA Available!

Posted on May 17, 2011 by Barry Shurtz

The popular sendmail open source Mail Transfer Agent (MTA) is celebrating its 30th anniversary this year and with that, we are happy to announce that the updated version 8.14.5 is now available for download.  This latest release addresses many of … Continue reading →

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