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From: bruce@balilly.UUCP (Bruce Lilly)
Newsgroups: comp.mail.sendmail
Subject: Re: addressing priority
Message-ID: <1991Jan18.012016.16036@blilly.UUCP>
Date: 18 Jan 91 01:20:16 GMT
References: <2505@sapwdf.UUCP>
Sender: news@blilly.UUCP (News Administrator)
Organization: Bruce Lilly, Flushing, NY
Lines: 34

In article <2505@sapwdf.UUCP> Bill Wohler <wohler@sap-ag.de> writes:
>
>  i was under the impression that internet addressing took priority.
>  that is, an address like hosta!user@hostb would be sent to hostb
>  first.

That's correct for Internet sites, however sites connected only via uucp
to other sites using very old uucp software may operate differently.

>  the sendmail.cf's around here send such a message to hosta first.
>
>  is this correct?  if not, what section of sendmail.cf should i look
>  at.

Depends on what your site is trying to do (see above). Ruleset 0
determines which mailer, site, and user address are used for delivery.

>    if so, how can i modify the address so that the message goes to
>  hostb first?  

Given the way you say your .cf's work, hostb!hosta!user should do the
trick.

>    what is the current rfc number that covers this
>  issue?

RFC 1123 covers this issue and refers to several older, but still valid
RFC's (e.g. RFC 822).

Note: there may be some strong opinions about some of the above,
especially @ vs ! precedence. Flames should be sent either to Baghdad or
to /dev/null.
--
	Bruce Lilly		blilly!balilly!bruce@sonyd1.Broadcast.Sony.COM