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Thread: [SOLVED] Block outside people sending mails to a distribution group!

  1. #1
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    Question [SOLVED] Block outside people sending mails to a distribution group!

    Hi everbody, :-)

    I'm new to zimbra administration. We have deployed zimbra with "zcs-4.0.4_GA_457.FC4.tgz" on fedora core 4. It's running pretty fine & I feel cool about it. :-)

    Now I have probelm with SPAMS. It's much controlled but still some or otherway it enters into.

    I wanted to know is there any way that we can block/restrict out side people(people other than my domain users in zimbra) sending mails to my distribution groups (internel) ??

    My requirment is like this -

    My Domain is "xyz.com"
    I have a distribution group there in zimbra called "managers@xyz.com"

    Everybody from "xyz.com" (that is abc@xyz.com, abc1@xyz.com, abc2@xyz.com, etc,etc )should be able to send mails to the distibution group "managers@xyz.com". But I want to block all other domain(outside world) sending mails to this distribution group. Possible?

    Any help would really be appreciated!

    Thanks in advance

    Best Regards
    -Vivek

  2. #2
    phoenix is offline Zimbra Consultant & Moderator
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    Default

    Welcome to the forums.

    This article from the wiki should do what you want.

    You can also reject messages that are being sent to unlisted (or invalid) users. Do the following: have a look in /opt/zimbra/conf/zmmta.cf and change that entry for 'smtpd_reject_unlisted_recipient' to yes then save the file. You should restart postfix or the server and that will reject the connections. You'll need to make that change after every upgrade as it isn't preserved. Also try one of those changes at a time and see how they work for you before you do the next one.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
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    Smile Wow!!.. it's working...

    I just did it and found working for my primary testing! coooooool .. thank you very much !! :-)

    You people were really quick responding to my query.. a round of applauses dude !! :-)

    Let me do a thorough testing & some other modification , and will get back to you with the results!

    Thanks again!

    With Best Regards
    -Vivek

  4. #4
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    Default how to block external user send mail to distribution group

    If I have 2 distribution group like this staff@domain.com and manager@domain.com .

    a@domain.com and b@domain.com in user in staff group.
    c@domain.com and d@domain.com in user in manager group.

    And I want role like this
    - people in staff can send mail to internal group
    ex a can send mail to staff@domain.com
    - people in staff can send mail to external group
    ex a can send mail to c@domain.com and can send to manager@domain.com
    - people in manager can not send mail to staff
    ex c can not send mail to staff@domain.com

    how I do?
    thank you for reply.

  5. #5
    phoenix is offline Zimbra Consultant & Moderator
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    Default

    Quote Originally Posted by ohm_g7 View Post
    how I do?
    thank you for reply.
    Follow the instructions in the article I mentioned above.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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