My 2003R2 server has exchange installed and we have used exch for our internal mail but always had pop3 for our external email. I now have a second domain @1234.com, I have installed it in the reciepent polices and also setup email address in active directory users. When I send to this email domain for the outside emails get returned with this error. You do not have permission to send to this recipient. For assistance, contact your system administrator.
<delanie.RDPOFFICE.local #5.7.1 smtp;550 5.7.1 Unable to relay for bob@1234.com>
when I telnet xxx.xxx.xxx.xxx 25 I get 220***********************
* then when I try ehlo it says unreconized command. We thought it could be the PIX but have had it check several times by a certified Cisco person. I even tried a mx record in my dns.
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