1. Jimbo195's Avatar
    Hi all,

    can anyone tell me which ports must be allowed between BES and Exchange? Our BES is in a DMZ.

    Thank you
    03-01-16 04:44 AM
  2. anon(9821186)'s Avatar
    I had to use eas.outlook.com 443 because the default is m.hotmail.com and that just doesn't work, but this will have to be set in the bes12 control panel .

    Posted via CB10
    03-01-16 09:00 AM
  3. Jimbo195's Avatar
    Hi Ali,
    thank you for the answer. We have an SMTP connection, too. I think we try the allow these ports and test it:

    Exchange 443 TCP <-> 443 TCP BES12
    SMTP Server 25 TCP <-> 25 TCP BES12
    (SMTP Server 587 TCP <-> 587 TCP BES12
    secured)
    DNS 53 TCP/UDP <-> 53 TCP/UDP BES12

    What do the others think about this?
    03-02-16 03:13 AM
  4. Rodney Wilder's Avatar
    Hi Ali,
    thank you for the answer. We have an SMTP connection, too. I think we try the allow these ports and test it:

    Exchange 443 TCP <-> 443 TCP BES12
    SMTP Server 25 TCP <-> 25 TCP BES12
    (SMTP Server 587 TCP <-> 587 TCP BES12
    secured)
    DNS 53 TCP/UDP <-> 53 TCP/UDP BES12

    What do the others think about this?
    Normally the communication from requires a dynamic port, aka bes 1024-65535>443 mail, and usually you only need open 1 way depending on firewall system.
    For smtp, choose 1, if doing smtps then open rule for 587, otherwise 25, not both. Of note, you can do smtps over port 25, depends on setup

    Posted via CB with my Passport to productivity
    03-04-16 11:01 AM

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