I made a little patch for the serialmail port. This adds
CRAM-MD5, PLAIN and LOGIN authentication support to serialmail.
The patch is referenced in the qmail page http://www.qmail.org/
More information on the patch used can be found at
I've been successfully using this patch for a while now.
The email you're seeing has been sent using it. :)
I hope you find this useful. Let me know if you need
Over to maintainer
The patch looks good - I will commit it after the freeze is over.