I have inherited an SBS 4.5 server running exchange 5.5 and seem to be on an Open Relay Database that keeps us from sending e-mails to companies that are registered with them. What do I need to do to change this?
Over the last month the administrator mailbox has been flooded with thousands of e-mails (inbound mail failure) such as what follows: The following recipients did not receive the attached mail - Reason are listed with each recipient: <0002755@LYCOS.CO.KR> 0002755@LYCOS.CO.KR
Unknow recipient
The...
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