On Wed, Jan 17 2018, Christian Ludwig jotted: > +if (defined $reply_to) { > + $reply_to =~ s/^\s+|\s+$//g; > + ($reply_to) = expand_aliases($reply_to); > + $reply_to = sanitize_address($reply_to); > +} Just a note to other reviewers: I found it odd to call a function with one argument and then enforce list context, but I see expand_aliases() expects to be called that way, and this is copied from a previous pattern earlier in the file. (As an aside, that code looks a bit odd, but then I see 302e04ea4d ("send-email: detect cycles in alias expansion", 2009-07-23) ) Looks good to me.