[Dshield] Spam Trek - The Next Generation

Joshua Krage jkrage at guisarme.net
Sun Jun 9 02:25:05 GMT 2002


On Fri, Jun 07, 2002 at 01:11:42PM -0700, Coxe, John B. wrote:
> Two RFCs (and their updates) are relevant for smtp: rfc821 and rfc822.
> rfc822 is what your client (MUA) uses to display header information and

Just to update your references, RFCs 821 and 822 have been obsoleted by
RFCs 2821 and 2822 (respectively).

The new versions roll-up changes discussed in post-821/822 RFCs and
are intended to reflect the newer practices on the Internet.

RFC 2821 (section 7.7) also now suggests that MTAs should permit the
admins to reject relaying from identifiable sources.




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