On Tue, Dec 09, 2003 at 09:09:09AM +0000, David Woodhouse wrote:
> You missed a bit:
>
> SMTP systems are expected to make every reasonable effort to accept
> mail directed to Postmaster from any other system on the Internet.
> In extreme cases --such as to contain a denial of service attack or
> other breach of security-- an SMTP server may block mail directed to
> Postmaster. However, such arrangements SHOULD be narrowly tailored
> so as to avoid blocking messages which are not part of such attacks.
However, the above quoted paragraph does not say "you must accept
postmaster@[ipliteral]"; it merely implies that you accept postmaster
at all mail domains that you provide service for, and, in connection
with its preceding paragraph, also accept the unqualified postmaster.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/
2.6 Serial core