[Users] Bcc Filter

c. marlow Claws at CWM030.com
Wed Dec 22 14:28:41 UTC 2021


On Tue, 21 Dec 2021 21:40:35 +0000
Slavko <linux at slavino.sk> wrote:

> Dňa 21. decembra 2021 21:20:42 UTC používateľ "c. marlow"
> <Claws at CWM030.com> napísal:
> 
> >move it to a certain folder? There is no option for BCC like:
> >IF HEADER CONTAINS....
> >
> >BCC: email at email.tld
> >
> >How would I go about doing this?
> >  
> Bcc: header is problematic, as it is pure client's header and can be
> (and it is) managed by MTAs (Mail Transfer Agent) differently. Some
> removes it, some leaves only current recipient in it and some other
> do not touch it at all. But basically one have consider Bcc header as
> hidden, thus do not rely on it. You can know your MTA behaviour by
> inspecting email's source and see, if there is Bcc: header, but this
> behavior can change in time.
> 
> Some MDAs (Mail Delivery Agent) adds original recipients header, but
> that header is again pure locally and can change over time. In my
> case i have header Envelope-To (own exim), but there are often
> another X-* header with this information, depends on your MDA.
> 
> I never filter messages based on this in CM, but perhaps you can try
> ;-)
> 
> regards
> Slavko


I don't know if this will help any, but here you go:

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Subject: Testing bcc
From: "c. marlow" <chris at cwm030.com>
Date: Tue, 21 Dec 2021 15:05:39 -0600
To: Christopher M <------- at gmail.com>
Message-ID: <4bcb363e-e050-49a7-8655-1b7ff36c337c at cwm030.com>
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