[NCLUG] using smtp

Dave Treece davet at frii.com
Wed May 28 09:24:51 MDT 2003


Somewhere in your sendmail.cf file there is a line like:

# "Smart" relay host (may be null)
DSmail.frii.com

change it accordingly. Then I think you have to "refreeze" and restart
sendmail.

> -----Original Message-----
> From: nclug-admin at nclug.org [mailto:nclug-admin at nclug.org]On Behalf Of
> Bob Proulx
> Sent: Tuesday, May 27, 2003 11:23 PM
> To: nclug at nclug.org
> Subject: Re: [NCLUG] using smtp
>
>
> rosing at peakfive.com wrote:
> > I had some mail bounced because the machine I sent to didn't like my
> > domain:
> >
> >  (reason: 550 This domain (client.attbi.com) is banned, contact
> your local admin.
> >
> > So I changed emacs to run my outgoing mail through mail.frii.com and
> > that fixes it.
>
> Um, that seems really strange.  I could see someone blocking a DHCP
> client on attbi.com through one of the RBL+ DUL lists.  That is not so
> uncommon.  Although the message is less than helpful.
>
> But if you are a customer of attbi.com then why send mail through
> frii.com, a separate business?  And I wouldn't have thought frii.com
> would have allowed it.  On attbi.com I would have expected you to
> forward it through the attbi.com mail hub.
>
> > But now trestlemail, which I use to distribute mail to other people
> > that shows up on my machine, doesn't know about using this.  Is
> > there a better way to specify the smtp machine?  Sendmail doesn't
> > seem to have any options for this.
>
> I don't remember the exact option to set this in the sendmail.cf file
> but in a nutshell you want to tell sendmail to use a smarthost.  Look
> in your docs or google around for the configuration command.  In the
> old days using the m4 configuration build it would have been something
> like this:
>
>   define(`SMART_HOST', `smart.foo.com')
>
> HTH,
> Bob
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