[mdlug] Sendmail configuration

[Rich Clark <rrclark@rrclark.net>]

On Thu, 20 Mar 2008, Deepan wrote:

> Hi All,
> I am using sendmail via php mail function to send
> emails. However few servers reject my mails with
> the error 'Sender address rejected: Domain not
> found', since mails from my server are sent as
> email at localhost.localdomain. How do I change this
> to a valid domain name ? We only own a public IP.
> we dont really have a domain name, is it possible
> to use IP ?

Personally, my postfix server rejects anything that can't say helo with a 
resolvable FQDN.

This link may be helpful:

http://www.sendmail.org/m4/site_config.html