>> What I want to do is completely disable receiving bounce messages in >> case of error. I suspect setting the Return-Path to <> would not be >> enough, as it will be overwritten by the -r (or -f) option. > > Perhaps surprisingly the answers are in the sendmail(1) manpage. :-)
!!! I can't believe how many times I have read the description of the -N parameter and still my brain failed to process it properly, expecting to find something involving "Return-Path". Seems I need a second pair of eyes... Thank you very much and apologies for the dumb question! Stavros