I have an external service that is acting as MX/SPAM/Virus filter and store /forward when our internet connection is down. I want my postfix rig to only receive delivery from the list of servers that the external service runs.
How do I create a restriction that allows inbound connection only...
I need help going the last mile on setting up this mail server.
I can get mail.
I can send mail to our domain.com
Ican NOT send mail to other domains.
I am trying to setup this mail server to send and receive all mail for ourdomain.com, with out use of the ISP servers. MX is done. everything...
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