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Thread: [SOLVED] Reverse DNS with multidomain email server

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    Mistoffeles is offline Senior Member
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    Default [SOLVED] Reverse DNS with multidomain email server

    Given that 43.17.24.10-in-addr.arpa resolves to mail.my-example.com, how do I provide for mail.my-other-example.com to pass an rDNS lookup?
    - Misty

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    raj's Avatar
    raj
    raj is offline Moderator
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    u dont need to give ALL the domain on zimbra reverse mapping..only the Zimbra Server FQDN
    i.e:
    if zimbra servers FQDN is : zimbra.yourdomain.com
    and
    you have domain.com, domain2.com, domain3.com hosted on it

    you will give only zimbra.yourdomain.com the reverse DNS entry..as the target server will see mail coming from "zimbra.yourdomain.com" not from domain.com

    Raj
    i2k2 Networks
    Dedicated & Shared Zimbra Hosting Provider

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    Mistoffeles is offline Senior Member
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    OK, obviously I didn't understand rDNS well enough. So let me get this straight:

    if I have a server, zimbra.mydomain.com, and it also provides email services for zimbra.mikesdomain.com and zimbra.davesdomain.com, any server doing an rDNS on an email sent from my server is looking for the sending server, which is always going to be zimbra.mydomain.com, even if the email were sent by dave@davesdomain.com.

    yes?
    - Misty

  4. #4
    phoenix is offline Zimbra Consultant & Moderator
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    Quote Originally Posted by Mistoffeles View Post
    OK, obviously I didn't understand rDNS well enough. So let me get this straight:

    if I have a server, zimbra.mydomain.com, and it also provides email services for zimbra.mikesdomain.com and zimbra.davesdomain.com, any server doing an rDNS on an email sent from my server is looking for the sending server, which is always going to be zimbra.mydomain.com, even if the email were sent by dave@davesdomain.com.
    Yes, that's correct.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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