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DKIM for multiple domains

Jeff x
I'm trying to use the SMTP Proxy for outgoing mail for all of my domains. DKIM only passes for the domain of the UTM. All other domains fail.

Before using the Sophos SMTP Proxy, I had my internal email server set up with a different DKIM for each domain and they all passed.

The SMTP Proxy setup only allows one private key but it allows you to list the domains that will use it.

 How do I use the same private key for all domains? I did change the txt records in the DNS set up for each domain but they still fail: [FONT=Times New Roman][SIZE=3]  [/SIZE][/FONT][FONT=Calibri][SIZE=3]
[/SIZE][/FONT]
[FONT=Calibri][SIZE=3]Result:[/SIZE][SIZE=3]         [/SIZE][SIZE=3]fail (signature doesn't verify)[/SIZE][/FONT]
[FONT=Times New Roman][SIZE=3]  [/SIZE][/FONT]


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  • 0
    Jeff, send an email to my member name here at the domain listed in my signature block so that I can see the lines in our SMTP log.

    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
    Jeff, send an email to my member name here at the domain listed in my signature block so that I can see the lines in our SMTP log.

    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 in reply to BAlfson
    Jeff, send an email to my member name here at the domain listed in my signature block so that I can see the lines in our SMTP log.

    Cheers - Bob

    Thanks for the offer, Bob!


    I used the Sophos UTM box to create new keys and those work with the SMTP proxy. I don't know why my original set works fine with the email server but not the SMTP proxy.


    Anyway, problem solved. They all pass now.

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