Cannot receive E-mail outside of Network
I have added email domain to our “SBS 2003 Exchange” server. “Domain A” (original) which is working for, sending, receiving, etc. “Domain B” (added) can’t receive email outside of the network. From house I can send and receive email to all other domains. When I send mail from “Hot-mail” or any other mail service provider to “domain B”, I get an error “SMTP error '554 5.1.2'”.
I have checked setting and all seems good. The MX records appear correctly. 'a' records point of Both domains for same IP, MX records are “mail.A.com” and other “mail.B.com” (I added the second domain in recipient policies and it is checked)When you send internally, are you sending to the same address you're attempting from the outside?