qmail has a seperate set of problems beyond its license. That being said, its really easy to install qmail yourself and have it replace the in-tree sendmail (see mailer.conf).
On 2007 Nov 30 (Fri) at 00:27:32 -0800 (-0800), Matthew Dempsky wrote: :Dan Bernstein has placed qmail 1.03 into the public domain (see :http://cr.yp.to/qmail/dist.html). Is there any interest in replacing :sendmail with it to remove another component from the src/gnu/ :hierarchy? : -- You must realize that the computer has it in for you. The irrefutable proof of this is that the computer always does what you tell it to do.