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Re: Spam from the list?

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Hi,

Andy Smith wrote:
> [...] I argue that at present it
> isn't a good idea to just reject all DKIM failures like OP's mailbox
> provider appears to be doing.

Just for the records:
The mails in question don't get rejected but rather marked as spam
and then get delivered.

The currently best theory is that megamailservers.eu adds a header
  X-Spam-Flag: YES
if it perceives DKIM problems, and that the local anti-spam software
of the receiver takes this header as reason to alter the subject by
the prefix "*****SPAM*****".

Whether it is a good idea to map DKIM failure to a spam marking header
is another interesting topic.

Original post of this thread with an example of all headers of a mail:
  https://lists.debian.org/msgid-search/3371640.PXJkl210th@protheus2


Have a nice day :)

Thomas

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Thread

Spam from the list? Hans <hans.ullrich@loop.de> - 2024-03-06 11:50 +0100
  Re: Spam from the list? "Thomas Schmitt" <scdbackup@gmx.net> - 2024-03-06 12:20 +0100
    Re: Spam from the list? Hans <hans.ullrich@loop.de> - 2024-03-06 12:30 +0100
      Re: Spam from the list? debian-user@howorth.org.uk - 2024-03-06 13:20 +0100
  Re: Spam from the list? Dan Ritter <dsr@randomstring.org> - 2024-03-06 12:30 +0100
    Re: Spam from the list? Hans <hans.ullrich@loop.de> - 2024-03-06 12:40 +0100
  Re: Spam from the list? "Thomas Schmitt" <scdbackup@gmx.net> - 2024-03-06 13:00 +0100
  Re: *****SPAM***** Re: Spam from the list? Hans <hans.ullrich@loop.de> - 2024-03-06 14:00 +0100
    Re: *****SPAM***** Re: Spam from the list? <tomas@tuxteam.de> - 2024-03-06 14:00 +0100
    Re: Spam from the list? "Thomas Schmitt" <scdbackup@gmx.net> - 2024-03-06 14:30 +0100
    Re: *****SPAM***** Re: Spam from the list? Nicolas George <george@nsup.org> - 2024-03-06 14:50 +0100
    Re: Spam from the list? Brad Rogers <brad@fineby.me.uk> - 2024-03-06 15:10 +0100
      Re: Spam from the list? Hans <hans.ullrich@loop.de> - 2024-03-06 15:40 +0100
        Re: Spam from the list? debian-user@howorth.org.uk - 2024-03-06 18:20 +0100
  Re: Spam from the list? Hans <hans.ullrich@loop.de> - 2024-03-07 09:50 +0100
    Re: Spam from the list? Byunghee HWANG <soyeomul@doraji.xyz> - 2024-03-07 12:00 +0100
    Re: Spam from the list? Andy Smith <andy@strugglers.net> - 2024-03-07 13:10 +0100
      Re: Spam from the list? John Crawley <john@bunsenlabs.org> - 2024-03-08 02:20 +0100
      Re: Spam from the list? Tim Woodall <debianuser@woodall.me.uk> - 2024-03-08 03:20 +0100
        Re: Spam from the list? Andy Smith <andy@strugglers.net> - 2024-03-08 12:50 +0100
          Re: Spam from the list? "Thomas Schmitt" <scdbackup@gmx.net> - 2024-03-08 14:00 +0100

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