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email encryption - one external user, many internal

Hi,

I'm trying to find a convenient way to set up email encrytion with as less effort as possible.

What I want to do is the following:

WE have one external user on a totally different email server and a couple of my users who use our internal mailserver.

Now I need to encrypt messages between that one external user and the internal users. And noone else!
I've looked at the email encryption thing of astaro but I haven't quite figured out a way to do that.

Can anyone think of a way?


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  • That's worth a try.  I don't know why it wouldn't work.  I'll be interested to see if that does work.  Before you upload his PEM file on the 'S/MIME Certificate' tab, I suspect you'll need to delete him as an internal user after you've downloaded the PEM and PKCS#12 files.

    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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  • That's worth a try.  I don't know why it wouldn't work.  I'll be interested to see if that does work.  Before you upload his PEM file on the 'S/MIME Certificate' tab, I suspect you'll need to delete him as an internal user after you've downloaded the PEM and PKCS#12 files.

    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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