[comp.mail.sendmail] short return names

grunwald@foobar.colorado.edu (Dirk Grunwald) (06/29/90)

>>>>> On 24 Jun 90 17:32:48 GMT, paul@uxc.cso.uiuc.edu (Paul Pomes - UofIllinois CSO) said:

PP> grunwald@foobar.colorado.edu (Dirk Grunwald) writes:

>I'm using 5.64 w/IDA 1.3.1 from uxc.cso.uiuc.edu (thanks paul pomes!)
>
>right now all my mail addresses get expanded, e.g. mailing to ``woof,baz''
>gets expanded to ``woof@anchor.Colorado.EDU, baz@eclipse.Colorado.EDU''.
>
>I'd like them to be just ``woof,baz'' or ``woof@anchor, baz@eclips,''
>contingent on the ending domain name i.e. if the domain name matches
>mine, assume that it can get there unqualified or by qualification via
>just a hostname (better choice, actually)

PP> 'Tis better to suffer the slings and arrows of fully qualified names than to
PP> pass unqualified names to strangers - RFC something-or-other.

PP> Try the RELATIVIZE m4 define when building your sendmail.cf file.  This is
PP> not a complete solution, but should result in shorter names for mail used
PP> within your domain.  It can sometimes have unusual side-effects if the
PP> interpretation of the LHS depends on the RHS.
--

turns out that the RELATIVIZE option squashes things like
	foo%bar@some.gate.way

into more direct paths that have higher probability of being delivered.
Doesn't squash local names, but that's ok.