Milter-greylist

Petar Bogdanovic <petar-+Dgt6vZh/JqsTnJN9+BGXg@...> writes:

>> in my logfiles.  After analyzing the related network traffic, all
>> these messages have in common that they contain an ASCII \0 in their
>> bodies.  This character is allowed by RFC 822 (but not in 2822 +
>> 5322).
>
> While it's a bit unclean that the spamd part of milter-greylist can't
> handle a null character, it's also not likely that I'll ever think a
> null character belongs to an SMTP conversation.

I have seen the error on automated generated messages only (e.g. newsletters)
where the sender has probably an off-by-one error.  But as I said, legacy
SMTP allows it and would not explicitly block it hence.


Enrico