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SNAT for UTM mail

We're using our UTM to route outbound email.

For one customer, we need to change the source IP that our emails come from. For an internal server, I would just set up an SNAT rule, but I'm puzzled how I do the same thing here, since the source address is the UTM itself.

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0 DKKDG over 5 years ago

Hi Steve,

you can solve this via multipath rules.

Create the following rule:
Source => Any
Service => SMTP Services(25,465,587)
Destination => Any
Bound to your desired external interface.

Best Regards
DKKDG
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0 SteveHart over 5 years ago in reply to DKKDG

How does this change the outbound IP?
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0 BAlfson over 5 years ago in reply to SteveHart

When we send emails to one customer we need an outbound address that's part of our VPN.

Agreed with Oldeda, Steve. We don't know what that means.

Cheers - Bob

Sophos UTM Community Moderator
Sophos Certified Architect - UTM
Sophos Certified Engineer - XG
Gold Solution Partner since 2005

MediaSoft, Inc. USA
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0 BAlfson over 5 years ago in reply to SteveHart

When we send emails to one customer we need an outbound address that's part of our VPN.

Agreed with Oldeda, Steve. We don't know what that means.

Cheers - Bob

Sophos UTM Community Moderator
Sophos Certified Architect - UTM
Sophos Certified Engineer - XG
Gold Solution Partner since 2005

MediaSoft, Inc. USA
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