[exim-dev] [Bug 3089] BCC detection not working in Exim cust…

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Autor: Exim Bugzilla
Data:  
A: exim-dev
Assumptes vells: [exim-dev] [Bug 3089] New: BCC detection not working in Exam custom filtering
Assumpte: [exim-dev] [Bug 3089] BCC detection not working in Exim custom filtering
https://bugs.exim.org/show_bug.cgi?id=3089

Adam D. Barratt <adam-exim-bugs@???> changed:

           What    |Removed                     |Added
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                 CC|                            |adam-exim-bugs@adam-barratt
                   |                            |.org.uk


--- Comment #3 from Adam D. Barratt <adam-exim-bugs@???> ---
(In reply to Andrew Aitchison from comment #2)
> Interesting.
>
> I have an email in my INBOX which does have a Bcc: header, with my email
> address. The To:, From, From:, Return-path and envelope-from are set to the
> same address.
> I use fetchmail, which does have an effect on the headers.
>
> This suggests that there is a mail scheme which does use the Bcc: header on
> the message sent to the Bcc: recipients.


It's permissible (RFC 5322 3.6.3) to include a Bcc: header on copies of mail
sent to BCC-ed recipients, either listing just their own address or all BCCed
recipients (or indeed none). It's much more common to simply for MUAs to simply
remove the header during transmission of the message to an MSA.

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