[CentOS] TCPWrappers + Sendmail = not working

[Sean Carolan]

>  I'm confused.  I'd expect the above symbol listing to show that sendmail is
> in fact using the libwrap library and it should be doing what the allow/deny
> files say.
>
>  Regardless, the simple way to tell sendmail what you want to permit is to
> use the /usr/mail/access file.

My goal was to block *ALL* IP access to port 25.  Incidentally I found
some other ports that shouldn't have been exposed so those were closed
off as well.

thanks

Sean