Sendmail configuration

[Neil Marjoram]

Ah ha! Thanks it was the relay-domains file. 

Thanks Paul.


Neil.
On Thu, 2004-10-28 at 12:07, Paul Howarth wrote:
> Neil Marjoram wrote:
> > I have a small problem with my sendmail config. I am sure I have missed
> > something, but I just can't see what.
> > 
> > I currently have a solaris system running sendmail, and that works fine.
> > I copied the configs from that system and started up sendmail. The new
> > FC2 system happily sends mail to our mail hubs, but when it receives a
> > message it just sends it back to the mail hub.
> 
> This is usually a case of the system not recognising its own domain name.
> 
> > I've done a few tests and found that it will accept and deliver mail to
> > a local user and a local mailing list, however if I send a mail to
> > any_mail_address at adastral.ucl.ac.uk it just sends it to the mail hub
> > (which sends it back and we get in an eternal loop).
> 
> So mail generated on your local machine is handled properly, but incoming mail 
> is forwarded to the hub?
> 
> > I have set all my locahost host names in local-host-names.
> 
> That's good.
> 
> > I have put adastral.ucl.ac.uk in relay-domains
> 
> Why? You aren't relaying mail for that domain, you're treating it as local. 
> You do have adastral.ucl.ac.uk in local-host-names don't you?
> 
> > My aliases file is straight from the Sun box so it works ok.
> > 
> > I have set :
> > 
> > MASQUERADE_DOMAIN(adastral.ucl.ac.uk)dnl
> > MASQUERADE_AS(`adastral.ucl.ac.uk')dnl
> > 
> > In the sendmail.cf.
> 
> I guess you mean sendmail.mc ;-)
> 
> > The last thing in my config which is a little strange is the MX records
> > for my domain point to the mail hub and not to my server, this is to
> > allow all mail from external addresses to pass through a central mail
> > hub before being delivered to local mail servers. This does however work
> > fine with the Solaris system.
> 
> That's fine as long as the mail hub knows to forward mail for your domain to you.
> 
> Could you post the entire sendmail.mc?
> 
> Paul.
-- 
Neil Marjoram.
Systems Manager
University College London
Adastral Park Campus
Martlesham Heath
Ipswich
Suffolk
IP5 3RL