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From: kevins@dartvax.UUCP (Kevin M. Schofield)
Newsgroups: comp.mail.misc
Subject: Re: Is there really no TURN command in sendmail's SMTP?
Message-ID: <6745@dartvax.UUCP>
Date: Fri, 24-Jul-87 09:09:46 EDT
Article-I.D.: dartvax.6745
Posted: Fri Jul 24 09:09:46 1987
Date-Received: Sun, 26-Jul-87 01:49:51 EDT
References: <1726@ubvax.UUCP>
Reply-To: kevins@dartvax.UUCP (Kevin M. Schofield)
Distribution: world
Organization: Dartmouth College, Hanover, NH
Lines: 34

In article <1726@ubvax.UUCP> vix@ubvax.UUCP (Paul Vixie) writes:
>
>Therefore he decided to just call up the Vax sendmail and say 'TURN' to get
>his mail.  He was surprised to see sendmail reply, 'command not recognized.'
>I was surprised, when subsequently examining srvrsmtp.c, to see that there is
>no mention of TURN in the list of known SMTP commands.
>
>So, two questions:
>	(1) does sendmail really not support TURN?
>	(2) has anyone hacked this in?
>
>Hacking it in doesn't seem to difficult -- if it hasn't been done, and I do it,
>is anyone else interested in having the patches?
>-- 

1. Sendmail really does NOT support TURN (one in a LONG list of gripes I have 
with sendmail, after just finishing an implementation of SMTP for a computer
that talks to our VAX).
 The minimum implementation of SMTP includes the following commands only:
        HELO
	MAIL
	RCPT
	DATA
	RSET
	NOOP
	QUIT
 
2. I doubt that you'll find anyone who has actually hacked it in... it's
really a bigger deal than it seems. You have to teach sendmail how to read mail
out of a mailbox, dig the appropriate information out of the headers, and
send it along. You might be better off implementing uucp instead. (actually,
I believe that's been done for the PC...)
 
-Kevin