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Sending via smtp over transp. utm to an extern w auth

ManuelKarl
Hello there,

i've a problem. One person wants to use his personal (private) mail-account on his notebook. When he's outside the lan, he can use it via umts/hsdpa (cellphone). From the internal network he always gets a auth-windows for the external mailserver. But the request is intercepted by the transp. mailproxy from sophos utm.

Is there just that way to solve this via exception-tab in proxy-section? So i have to create a exception filter-rule for his host (notebook---> SMTP---> Any)?

Thx in advance,

Manuel


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  • 0
    you don't have to add the notebok in Relay because you will compromise your IP reputation if in the WAN IP of the UTM is pointed a domain mailserver.
    You have to let the notebook to contact the external mail server

    the "check-mark" in figure automatically creates the rule
  • 0 in reply to Ol Deda
    Hello,

    thx for answering.
    We're using an internal mailserver with direct delivery and direct receive (mx-record for domain points to WAN-ip of utm), which works fine.

    My thoughts are, that if the notebook was infected by a virus/trojan and send spam messages via outlook-accounts or directly by the malware, then the smtp-proxy intercepts and drop.

    Is that wrong?
Reply
  • 0 in reply to Ol Deda
    Hello,

    thx for answering.
    We're using an internal mailserver with direct delivery and direct receive (mx-record for domain points to WAN-ip of utm), which works fine.

    My thoughts are, that if the notebook was infected by a virus/trojan and send spam messages via outlook-accounts or directly by the malware, then the smtp-proxy intercepts and drop.

    Is that wrong?
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