[CentOS] sendmail security-with example

Feizhou feizhou at graffiti.net
Thu Sep 21 07:21:03 UTC 2006

> In above example u can see in the 1st example the
> sender(xyz) is not real user of my domain , still he
> is able to sendmail to my real users (abhi).

You know that I can still connect to your server and send an email with 
address abhi at domain.com to abhi at domain.com right? Do you really want to 
prevent xyz at domain.com?

More information about the CentOS mailing list