On Sat, Jun 25, 2011 at 03:50:14PM -0400, Victor Duchovni wrote: > On Sat, Jun 25, 2011 at 07:45:48PM +0200, Ralf Hildebrandt wrote: > > > And how do I allow only a restricted set of envelope from values (with > > > sendmail > > > -f)? > > > I think this is not possible. > Correct, sendmail(1) is not privileged, and it sets the envelope sender > used by postdrop(1) either via "-f" or from getpwuid(). > Since procmail(1), and other utilities need to be able to forward mail > while retaining the original envelope sender address, restricting the > envelope sender address in sendmail would be quite disruptive. Postfix > does not provide such a feature.
Ok, that makes sense. Thanks for the clarification. Best regards Georg
