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SMTP IP on a different IP then the UTM

PabloDiablo
Hi all,

I guess that it is passed this forum but I'll ask it again.
I have 3 Public IP's. One (x.x.x.113) is for the UTM and the other for WAP (x.x.x.115). Now I want to setup a mail server and
use the Email Protection for this mailserver and want to use a different IP (x.x.x.114) for the mail.
But when I enable Email Protection it uses the IP of the UTM (x.x.x.113) and I want it on x.x.x.114.
Is this possible? if so, how do I accomplish this?

TIA


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  • 0
    I don't think so.  These are ways to prevent non-mailservers from using the SMTP Proxy by NOT using Transparent at all.  If non-mailservers send through the proxy, there's no way to differentiate their traffic from that originating from the mailserver - you can't send non-mailserver email traffic from a different public IP.

    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
    I don't think so.  These are ways to prevent non-mailservers from using the SMTP Proxy by NOT using Transparent at all.  If non-mailservers send through the proxy, there's no way to differentiate their traffic from that originating from the mailserver - you can't send non-mailserver email traffic from a different public IP.

    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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