Annihilannic/Jose,
I fixed it. Sendmail was trying to find an MX record for the name or address of the server I specified as the smarthost. To stop it doing that you can just put square brackets [] around the name or address when you enter it.
Regards,
Mike
Annihilannic,
Both systems use our local caching DNS proxy server, so both can 'NSLOOKUP' each other and can ping etc. The SMTP software itself uses a different, external DNS server for its MX lookups and wouldn't be able to find the names or addresses (because they are 172.16.x.x and...
Jose,
I am running RedHat 7.2 sendmail with a Win2000 SMTP smarthost and I get the same error. When I look at the mailq I see..
(Deferred: Name server: lobster: host name lookup failure)
after just about everything in there.
Like you I can resolve the smarthost name and ping it. I'm guessing...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.