[Mailman-Users] non-subscriber managed to post to a subscriber only list
Barry Finkel
b19141 at anl.gov
Tue Jan 27 20:51:48 CET 2009
>Please see Sec. 3.6 of RFC 2822 for a full discussion of various e-mail
>header fields and their proper uses and meanings, and RFC 2821 for a
>discussion of the trace fields, such as Return-Path. It is not a
>misconfiguration of a MTA for for the envelope sender to be of the form
>"<user>@<host>.<domain>.<tld>" as long as this is a working address.
>Mail systems which are unable to deliver a received email are required
>to use the Return-Path address (the SMTP envelope sender address) to
>which to send DSNs and NDRs.
I was surprised to learn last week that RFC 2822 has been made
obsolete by RFC 5322, and 2821 by 5321. I think that the major
changes wre to clear up sections where there were differences of
interpretation.
----------------------------------------------------------------------
Barry S. Finkel
Computing and Information Systems Division
Argonne National Laboratory Phone: +1 (630) 252-7277
9700 South Cass Avenue Facsimile:+1 (630) 252-4601
Building 222, Room D209 Internet: BSFinkel at anl.gov
Argonne, IL 60439-4828 IBMMAIL: I1004994
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