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mailrelay using alternative ip address

aza2001 over 9 years ago

As part of our setup we want to relay mail out of the UTM but out of a different up address already allocated and setup on the UTM.

Any way to achieve this or will it just use the primary?

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0 Scott_Klassen over 9 years ago

Traditionally you would do this with an SNAT.

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0 FrankKlous over 9 years ago

I want the same, but SNAT is not working. I am using the build-in smtp proxy. Restarting the SMTP proxy did not help either. Is there a solution yet?
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0 aza2001 over 9 years ago

I haven't had a chance to come back and revisit this for a while. Though I will try by end of the month

Cheers
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0 scorpionking over 9 years ago
klousf: SNAT is working, if you do it right. How does your current SNAT rule look (screenshot)?
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0 BAlfson over 9 years ago

Like scorpionking, I suspect that Klaus has the Mail Server in the Source of the NAT rule - it the Traffic Selector should be 'External (Address) -> SMTP -> Internet'. If my guess was off, then scorpionking's request is the next step.

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