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