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Force all SMTP Out One Address?

What is the best way to ensure that all outgoing SMTP traffic goes out a specific additional address? I know this can be done if it were on its own interface, with a multipath or policy route, but how is this best done with an additional address?


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  • I'm just as paranoid as you, Barry. [;)]  I don't think such a NAT rule could create an open SMTP relay though.

    Edit: But I agree that two SNAT rules would be clearer. 

    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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  • I'm just as paranoid as you, Barry. [;)]  I don't think such a NAT rule could create an open SMTP relay though.

    Edit: But I agree that two SNAT rules would be clearer. 

    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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