On Tue, Aug 22, 2006 at 11:04:18AM +0200, Michael Fischer v. Mollard wrote:
[...]
> recently there is a lot of spam containing 8-bit garbage before the message
> id.
>
> This stuff is rejected by cyrus ("LMTP error after DATA: 554 5.6.0 Message
> contains invalid header"), but accepted by exim. "verify = header_syntax"
> won't help, as it only checks the 'syntax of all header lines that can
> contain lists of addresses'. What can I do to reject messages with 8-bit
> characters in the header (and not in the address or subject header, as this
> will reject legitimate mails)?
a condition in the DATA acl based on $hdr_Message-ID
matching [\200-\377]?
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Q - What warning was given by the other party? A - Moo
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