I have a POP3 client in my internal network and a mailserver in the DMZ.
I have a packet filter rule that allows internal to any on all services.
I have the POP3 proxy turned on and am allowing all networks. No spam or virus.
I can connect to my mailserver via POP3 fine from the internal network.
I can telnet on port 110 to my mailserver and that works as well.
Log entries show up in the POP3 logs.
I also have a DNAT rule that forwards traffic destined for the external interface on port 110 to my mailserver. I cannot connect to my mailserver from outside my network. If I disable the proxy, I can connect.
Any hints?
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