On Sun, May 18, 2014 at 10:09:23PM -0700, David Guntner wrote: > It's certainly not a "drop-in replacement" in terms of the configuration > files, etc. But it was designed with a high degree of compatibility with > sendmail, and from an end-user's standpoint (once it's up and running), > there's not a lot of difference. FWIW, the same applies for exim4, even when that means bending over backwards to try and support sendmail command line options.