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. > 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. Wietse