I have exchange 2003, enabled for using as pop account to my client, i can receuve emails while i am at home(out of LAN), but when i send to any e-mail account i ge the following msg:
'firstname.lastname@example.org' on 5/5/2005 11:13 AM
550 5.7.1 Unable to relay for email@example.com,
I can telnet to the exchang server from out on port 25.
I can reveive e-mail from anywhere.
I cant send e-mails unless i am connected to the LAN.
DNS is resolving from nslookup with no issue from outside and inside.
Pop service is enabled.
I have a Macfee websheild, I have already by passed it, still no used.
My FW is allowing all the protocols to flow in without any restriction, I still cant get it sone.