gcaplan пишет: > Hi
>
> I have what I imagine is a common requirement, but I'm struggling to find
> information.
>
> I'm running a webserver on CentOS/RHEL.
>
> Our web app uses a 3rd party SMTP server to send mail. And we don't need to
> accept incoming mail.
>
> But CentOS requires sendmail or a drop-in alternative to send out system
> messages: otherwise it barfs.
>
> So we need a simple, secure set-and-forget configuration that will:
>
> 1) Send out mail from localhost
> 2) Refuse to do anything else, particularly accept incoming mail or act as a
> relay.