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IMAP UTM

Aktuator

Hi all,

we are using an exchange 2016 on premise and a Sophos UTM 9.707-5.
We want to realize that external clients can connect to their mailboxes via IMAP but not sure how to do that. Do we need to setup WAF for this or is it only possible via port forwarding (DNAT).

Thanks in advance and greetings
Aktuator



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  • +1

    Hello,

    WAF = Web Appplication Firewall. This means, only Web-Protocols are supported (Port 80 and 443).

    For IMAP you need tcp port 143 and IMAPS needs tcp port 993.

    You will need a DNAT configuration for this.

    What is your usecase? Do you need to support non-windows clients?

    Mit freundlichem Gruß, best regards from Germany,

    Philipp Rusch

    New Vision GmbH, Germany
    Sophos Silver-Partner

    If a post solves your question please use the 'Verify Answer' button.

  • 0 in reply to jprusch

    ok, I understand - thank you very much Philipp!

    Our usecase is: One of our external partner need to connect their service-portal to one of our mailbox and they only support IMAP(S).

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