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PowerMTA 4.0r16 Now Available!

11 June 2014 By Hasan Kurtoglu Leave a Comment

Port25 just launched PowerMTA v4.0r16.

Below are a few highlights of this build:

PowerMTA v4.0r16:

  • bundles OpenSSL v1.0.1h given the very recent vulnerabilities reported in prior versions of OpenSSL;

 

  • ability to disable certain cryptographic protocols used for STARTTLS on a per domain basis, allowing for both greater control and to workaround compatibility issues between OpenSSL 1.0.1g/h and some email security appliance solutions. The new per domain directives are “smtp-tls-allow-sslv2”, “smtp-tls-allow-sslv3” and “smtp-tls-allow-tlsv1” .

 

  • expanded DKIM signing functionality with a new per domain directive “dkim-disallow-adding-headers”, to help minimize DKIM replay attacks when additional headers are added after signing.
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Hasan Kurtoglu

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