[Linux-users] Sendmail upgrade

[Collins Richey]

On 8/22/07, Stuart Biggerstaff <biggers at lindahall.org> wrote:
> In one of those "make a bunch of changes to a server then quit"
> situations, we have a server in our DMZ that is supposed to be sending
> mail to our regular mailserver inside the LAN, but isn't after an OS
> upgrade from an older RHEL to CentOS 5.0.  If I add my desktop's VLAN to
> Relay Domains, I can bounce mail from there to the mailserver with SMTP,
> but mail originating on the server itself isn't leaving.  I suspect we
> have run afoul a default restriction in a newer version of Sendmail or
> one that is a recent default instituted by Redhat.  We've been looking
> through documentation and searching the web, but so far nothing has
> helped--so I'm thinking we are missing something basic.
>
> Anyone have a suggestion for the first or second things to look at?
>

Is it possible that you have selinux enabled? Try disabling it.
selinux can cause lots of problems unless you accept tinkering with it
on a full-time basis.

-- 
Collins Richey
     If you fill your heart with regrets of yesterday and the worries
     of tomorrow, you have no today to be thankful for.