Hi there!
My idea is to create a LoadBalance/Failover setup for mailservers
(MX-Records). I have the following setup:
WAN: A CARP address 123.123.123.123 (for example)
LAN: 192.168.1.x network
4 Mailservers on the LAN: 192.168.1.10, 192.168.1.11, 192.168.1.12,
192.168.1.13
A Pool named "MX" with those IPs: 192.168.1.10, 192.168.1.11, 192.168.1.12,
192.168.1.13
1 "Virtual Server" config for 123.123.123.123, pointing the the "MX" pool
MX-Records for some domains are pointing to: 123.123.123.123.
Everything is working perfectly, incoming connections to 123.123.123.123:25
are perfeclty 'round-robined' to my pool named "MX".
So far so good, but when i try to connect to the pool from the LAN, it
fails. Example:
telnet from my PC 192.168.1.99 to 123.123.123.123:25 -> timeout.
Between LAN and WAN i have NAT enabled and a rule to allow all traffic from
the LAN to WAN.
Any ideas?
Best wishes,
Matthias
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