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SMTP transparent proxy not working

manvip147
I'm using DynDNS on my mail server, I can send and receive emails from the Internet, I also can activate the POP3 proxy and it can stop spam, however when I try to use the transparent SMTP proxy I stop receiving emails, I tried to route the mail to the static IP address of my mail server....I'm using ASG220.

Can any one help me with this?

[:)]


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  • 0
    The SMTP transparent mode setting has nothing to do with received mail in a classicly-cofigured SMTP-Proxy environment.  If the Proxy is enabled, then it will capture and manage all inbound SMTP connections for 'Domains' listed on the 'Routing' tab.

    Are you doing a real test from a different domain sitting outside your Astaro?

    The "transparent" setting relates to sending emails.  Normally, any but the tiniest organizations would leave "transparent" disabled, add their mail server to 'Allowed hosts/networks' on the 'Relaying' tab and set their mail server to point at the Astaro as the upstream smart host.

    If you want to allow direct (authenticated or not) usage by individual users who won't/can't configure their mail client, then it would make sense to enable "transparent" mode.

    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
    The SMTP transparent mode setting has nothing to do with received mail in a classicly-cofigured SMTP-Proxy environment.  If the Proxy is enabled, then it will capture and manage all inbound SMTP connections for 'Domains' listed on the 'Routing' tab.

    Are you doing a real test from a different domain sitting outside your Astaro?

    The "transparent" setting relates to sending emails.  Normally, any but the tiniest organizations would leave "transparent" disabled, add their mail server to 'Allowed hosts/networks' on the 'Relaying' tab and set their mail server to point at the Astaro as the upstream smart host.

    If you want to allow direct (authenticated or not) usage by individual users who won't/can't configure their mail client, then it would make sense to enable "transparent" mode.

    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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