On Friday, August 21, 2015 01:44:07 PM Wietse Venema wrote: > J. Roeleveld: > > Hi all, > > > > There are occasions I need to send emails asking for "read receipts". > > Some MUAs allow this to be enabled when necessary, defaulting to "off". > > > > However, some have a global setting that needs enabling/disabling (K9mail > > on Android is one of them) > > > > With these on, I tend to annoy people on mailing lists. Is there an easy > > way to filter out certain tags from emails when the recipient is a > > mailing list? > > > > I have the email addresses of the mailing lists and the tags I need to be > > able to remove are: > > X-Confirm-Reading-To: > > > Return-Receipt-To: > Postfix header_checks can reject/replace/ignore headers, but this > applies to all email. It was designed to block malware infestations, > not to make subtle modifications that depend on the sender or > receiver context.
I was afraid of that. Sounds like something I will have to live with. Or if I can get that "milter" idea from Noel Jones working. Sounds like a nice project to play with. > > If this is already documented somewhere, can you please point me in the > > right direction? I wasn't able to find anything using google. (Probably > > missing the right search-string) > > I think the problem is that the mail client does not allow you to > request read receipts selectively. I agree, this should be resolved by the mail client. They haven't yet though.
