[4252] in RedHat Linux List
Re: Sendmail Delay Revisited (Colgate)
daemon@ATHENA.MIT.EDU (Scott Hanson)
Wed Nov 13 15:54:39 1996
To: redhat-list@redhat.com
From: shanson@mail.hh.provi.de (Scott Hanson)
Date: 13 Nov 1996 20:26:31 GMT
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com
In article <dwdyer-961113012338.A034417@fizzbaby>,
dwdyer@eskimo.com (Wayne Dyer) writes:
> Lance Cummings sez:
>> 2) What package is causing the sendmail delay, and is it a
>> package I really need?
>
> It is sendmail and your network configuration. One quick and easy fix
> if you don't want to mess with sendmail for outbound mail (e.g., you
> plan to use something like XFMail, Netscape, etc. to send it directly
> to your ISP) is to uninstall sendmail altogether and install the smail
> package from the contrib directory. It's smaller, and it comes configured
> so that local mail (cron to root, etc) will still get through, with no
> boot delay or wild*ss DNS lookups for name canonization because it's set
> up OOB for UUCP. Which you can ignore.
>
> I did this until I decided to indulge my masochistic tendencies with
> sendmail. Now all I need to know is: is it safe to shut off name
> canonization or will mail to wierd MX sites go nuts?
If you're sending all your mail through an ISP anyway (as a 'smart
host' in the sendmail.cf file), another alternative (as was suggested
on the list a couple months ago) is to recompile sendmail with DNS
lookups disabled. At both home and work, I have ISDN with an autodial
network connection, but I have to pay long-distance rates. So I want
to connect only when _I_ say so, not when sendmail says so. (Plus I'm
too lazy to manually run a script every time I want to activate the
network :)
I tried every configuration option I could find; the only way I could
reliably stop sendmail from making DNS lookups was to recompile
it. This is probably _not_ a step for a newbie to take... not that
it's difficult, but you'll have to recompile rather than simply
install a new rpm anytime the sendmail package is updated. On the
other hand, it's a good way to learn how to make your own rpms.
Scott
--
Scott Hanson <shanson@mail.hh.provi.de> Asendorf, Germany
work: Inter-Research Science Publisher <scott@int-res.com>
http://www.int-res.com
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