From: Stainless Steel Rat <ratinox@ccs.neu.edu>
Subject: Re: Mail without `From:' lines
Date: 06 May 1996 13:46:11 -0400 [thread overview]
Message-ID: <srafzlk84c.fsf@delphi.ccs.neu.edu> (raw)
In-Reply-To: Per Persson's message of 06 May 1996 19:30:28 +0200
-----BEGIN PGP SIGNED MESSAGE-----
>>>>> "PP" == Per Persson <pp@pfawww.pp.se> writes:
PP> 1) the list adds an appropriate "From " header.
'From<space>' is actually generated by the delivery agent on "your" (the
recipient's) mail server when the mail is delivered into the system
mailbox. Not all mail systems use the Unix mail delimiters; PMDF uses a
string of four ^A characters to begin and end every message, thus no
'From<space>' is necessary (and is often not generated).
PP> 2) your MUA or your MTA adds a "Sender: " header, in perfect
PP> conditions this should be done by the MTA.
MTAs are technically the only entities that are supposed to add
'Sender:'; this is what the -s switch to sendmail is for, for instance.
MUAs should not generate 'Sender:' fields, and they should ignore this
header in messages received.
PP> 3) your MUA adds a "From: " header--if missing, the MTA might do it.
The MTA *must* do it if the MUA does not. It is required that the MTA
do it if the MUA has not provided a 'From:' header.
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--
Rat <ratinox@ccs.neu.edu> \ Happy Fun Ball may stick to certain types
PGP Public Key: Ask for one today! \ of skin.
http://www.ccs.neu.edu/home/ratinox/ \
next prev parent reply other threads:[~1996-05-06 17:46 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
1996-05-03 11:45 Kai Grossjohann
1996-05-03 18:31 ` Lars Magne Ingebrigtsen
1996-05-03 22:58 ` Sudish Joseph
1996-05-06 8:44 ` Kai Grossjohann
1996-05-06 11:12 ` Per Persson
1996-05-06 12:00 ` Per Abrahamsen
1996-05-06 12:12 ` Per Abrahamsen
1996-05-06 15:59 ` Per Persson
1996-05-06 16:01 ` Per Abrahamsen
1996-05-06 17:30 ` Per Persson
1996-05-06 17:45 ` Per Abrahamsen
1996-05-06 20:12 ` Per Persson
1996-05-07 5:38 ` Per Abrahamsen
1996-05-06 17:46 ` Stainless Steel Rat [this message]
1996-05-06 16:42 ` Stainless Steel Rat
1996-05-03 23:11 ` Sudish Joseph
1996-05-04 0:39 ` Sudish Joseph
1996-05-04 1:37 ` Per Abrahamsen
1996-05-05 0:10 ` Sudish Joseph
1996-05-05 7:59 ` Per Abrahamsen
1996-05-06 14:53 ` Sudish Joseph
1996-05-06 15:18 ` Per Abrahamsen
1996-05-06 17:33 ` Sudish Joseph
1996-05-06 17:53 ` Per Abrahamsen
1996-05-05 12:33 ` Per Abrahamsen
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