[Mimedefang] Adding Recipients to X-Recipients Header

Joseph Brennan brennan at columbia.edu
Tue Jun 21 13:15:38 EDT 2011

Marcus Schopen <lists at localguru.de> wrote:

> if receiving multiple addresses in one and the same mail account (POP3
> box) is in case of bcc received emails hard to see the real recipient
> and impossible to sort such mails by recipient on client side. Adding a
> "X-Recipients: " line to the header which contains all recipients just
> for incoming emails would be helpful for better sorting on client side.
> I've seen this post by David on the list:
>  Possible?

It's very easily done, but it goes against the sender's intention.

A little harder to do, but better policy, would be to split the message
into a copy for each recipient, with only that recipient's address in
the X header.

Joseph Brennan
Columbia University Information Technology

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