i'm having problem redirecting "email" traffic through a specific interface (ISP C 2nd IP) using SNAT and MP rules, the rule is not working and SMTP trafic is going out an unintended interface (ISP A base IP) which is the 1st wan interface.
UTM is setup with several WAN links all active, the one that needs to act as outgoing is an additional address on an interface which is not the first one on the uplink balance list(ISP C 2nd IP).
- There's a policy rule that from internal networks, using service email messaging to ANY will redirect through ISP C interface(base IP)
- then there's a SNAT rule that from "ISP C base ip" service "email messaging" to ANY will SNAT from "ISP C 2nd IP"
when checking smtp log i see that email is going out through "ISP A base IP"!. I had to make a SNAT rule like before but with from as "ISP A base IP" and now started working.
it's essentially ignoring the policy rule, how can i make a policy route that triggers on UTM proxy?, internal networks includes the internal IPs of the UTM box so i have no idea why it's triggering, and selecting "any" as source it's not desired, i don't want to accidentally MP unwarranted traffic coming to wan interfaces
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