I'm using UTM 9.308-16 and testing with this configuration:
POP/SMTP Server : Remote server (mail.*****.com)
DNS:
-------
* Allowed : Internal
* Forwarders : Google DNS
* Request Routing : ad.*****.com --> AD Server
Network Protection:
----------------------
* Firewall : Any --- Any ----> Any
* No NAT, No Masquerading
Web Protection:
-------------------
* Web Filtering : No authentication, Allow ALL
Email Protection:
------------------
* SMTP: Disabled
* POP3: Disabled
Outlook Send/Receive tests passed when connect directly through my Internet modem.
Send test passed, Receive test failed when using the firewall with the above configuration.
What's wrong with my configuration?
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