Can´t send mail to external domain user

Can´t send mail to external domain user (Full Version)

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jonifili -> Can´t send mail to external domain user (18.Jun.2008 7:05:11 PM)
Hi, the facts are these: SBS2003Premium. The domain name and MX record are hosted outside. Receiving via POP3 Connector, sent directly by SMTP (no connector). No static IP. No problems for any external email. I can send and receive ok. The question is: I have a user outside the office, and not belonging to the AD. He connects via outlook (POP3) directly to his mailbox at the host, and can send and receive mails with no problem. He can send mails to co-workers inside the office (in the Domain), but when we hit reply, the emails comes back with a no "permission to relay”. Any ideas? Thanks, JF

gpo -> RE: Can´t send mail to external domain user (26.Jun.2008 10:53:55 AM)
Maybe have a look at this link : http://technet.microsoft.com/en-us/library/aa997170.aspx

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