[mdlug] Sendmail configuration

[Aaron Kulkis]

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 ?

Tangential comment:

First rule of sendmail debugging -- go download and
install the latest version of sendmail before
doing anything else.