I have a ADSL line with a Fixed Ip address and we have a domain name XXXX.com.I have hosted a Exchange mail server behind PIX 515E firewall.This mail server is collecting the mails from the domain.
Everything is working fine and i also can able to send and receive mails from my LAN users to internet and Vice Versa..The problem i started facing where in my users when they wants to check the mails when they are on the move outside...They want to check the emails with Outlook express as a mail client with incoming and outgoing server configured as "XXXX.com"..
They can able to ping to the domain from outside which resolves to our Global IP address we have..even i can receive the mails in the outlook (when i am on move) but when i try to send the mail for outside user (if i send mail to the Internal user it works fine that means something i need to check on the PIX..i believe) i get error message which says that the relaying is denied through the SMTP server.
Whts configuration i need to check in PIX for enabling the sending the mails from outside to the external users?
If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.
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