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OWA sneding problem with proxy

bwanaverbecq
Hello,
We have a problem with external client behind a proxy : they can't send or reply email with Outlook Web Access ... "sending ... " stay a long time and they get an exchange error.

clients without proxy ( from my home for exemple ) can send, reply with no problem ...

I can't find solution. can anyone help me ?

thanks a lot


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  • 0
    The Astaro doesn't do anything different with the traffic from the proxy.  If adding a DNAT rule with HTTP (in addition to the one with HTTPS) doesn't solve the problem for the proxy, I can't think of anything to do on the Astaro side.

    If they had an Astaro proxy, I would suggest they put your OWA into their transparent mode skiplist.  If they are running the proxy in a mode that requires users to point their browsers at the proxy, then I would suggest they use a Proxy Auto Configuration file or DHCP to have the browsers skip the proxy for access to OWA.

    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 Astaro doesn't do anything different with the traffic from the proxy.  If adding a DNAT rule with HTTP (in addition to the one with HTTPS) doesn't solve the problem for the proxy, I can't think of anything to do on the Astaro side.

    If they had an Astaro proxy, I would suggest they put your OWA into their transparent mode skiplist.  If they are running the proxy in a mode that requires users to point their browsers at the proxy, then I would suggest they use a Proxy Auto Configuration file or DHCP to have the browsers skip the proxy for access to OWA.

    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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