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Sophos UTM / DMZ / Mailserver / SMTPTLS not working

Hello, 

i am using UTM as virtual appliance. I have setup a DMZ Interface. Which works fine.

 

I now installed a Ubuntu Server in DMZ. Its using OTRS.

I can not send mails outgoing. OTRS can receive mails from external servers.

Virtual machine has DNS and Internet access.

 

I think OTRS configuration is fine. I now need to check the UTM configuration.

I have a masquerading rule for DMZ to External

I have a firewall rule for DMZ outgoing Any Any



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  • The concepts are the same for any mail server.  Ask questions if you see something in that post that doesn't translate to sendmail/postfix.

    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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