What's new

This release introduces an outbound traffic trace command, outbound PIPELINING support, and replaced Cyren as the anti-spam classification vendor. Please see the changelog below for a full list of changes. 

Important changes

• Cyren is no longer used for anti-spam classification, and you need to make sure that TCP port 55555 is open for outbound in your firewalls/routers
• The deprecated DirectDeliver() function now acts as a queuing deliver
• Removed deprecated GetTLS(), Allow(), Block() and DeliverWithDKIM() functions
• Delivering to /dev/null is now deprecated
• On Linux, trying to reload with Halon script compilation errors will continue using the previous configuration

Changelog

You can find the full changelog here.