I have Exchange server 2003, email is coming in fine but no one can sent out

550 5.7.1 Unable to relay for ...
There are about thirty people setup using exchange and everyone is using outlook 2003. Local sending and receiving is working fine fine for everyone, however, there are a couple of people that cant sent out.
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SembeeConnect With a Mentor Commented:
You have contradicted yourself... is this a problem affecting ALL users, or just some? It is important as the cause is very different depending on whether it is affected everyone no matter what or not.

Joshp614Author Commented:
There are a few users that cant send out to an external address.
Why have you closed this question and awarded me a C grade?

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