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Subject: Re: Don't add domainname to 'To: Undisclosed-Recipient:;'
From: Russ Allbery (rra
stanford.edu)Date: Wed Jun 14 2000 - 15:17:59 CDT
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Vivek Khera <kherakciLink.com> writes:
> Considering that the only email I've gotten with this inserted for me is
> SPAM, I might try using it as a SPAM filter...
Several different MTAs add a To or Cc header containing something similar
to the above when the message only has Bcc headers, so you're likely to
get false positives. Discarding messages with only empty address groups
in the To header will also discard messages sent to distribution lists
hosted by IBM VM mainframes, if you care (I have to, being on a few of
those).
-- Russ Allbery (rra
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