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Sendmail Relay

Sendmail Relay

Sendmail Relay

(OP)
Our sendmail server has been working flawlessly for almost 3yrs now until recently when someone high jacked it to use as a SPAM relay.  This caused our IP to be listed on a few DNSBL lists and now mail is being rejected.  I requested to be removed but in the mean time I want to forward all outgoing messages to a mail relay service I signed up for.  The problem I am running in to is it is forwarding ALL mail to that relay including mail destined for our local mail servers.
So basically, mail comes in and is routed right back out again.
What configuration do I need to change fix this?

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