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Thread: some e-mail not coming in to my system

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  1. #1
    Join Date
    Aug 2007
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    Default some e-mail not coming in to my system

    I got zimbra working and loving it using the community edition with about 15 accounts, some of my users starting noticing that they weren't getting certain emails from people they know and I took a look at my maillog and found out it was rejecting those e-mails the following is the log:

    Sep 12 11:02:51 mail postfix/smtpd[5327]: connect from unknown[*.*.*.*]
    Sep 12 11:02:51 mail postfix/smtpd[5327]: NOQUEUE: reject: RCPT from unknown[*.*.*.*]: 450 Client host rejected: cannot find your hostname, [*.*.*.*]; from= to= proto=ESMTP helo=
    Sep 12 11:02:51 mail postfix/smtpd[5327]: disconnect from unknown[*.*.*.*]

    in the administrators page when managing global settings I have the following checked:

    Hostname in greeting violates RFC (reject_invalid_hostname)
    Client must greet with a fully qualified hostname (reject_non_fqdn_hostname)
    Sender address must be fully qualified (reject_non_fqdn_sender)

    now my question is can I have some sort of whitelist option I can create to accept email from this domain while still keeping the settings above or do I have to change something? Thank you in advance.

    sorry here are more settings I have checked:
    Client's IP address (reject_unknown_client)
    Hostname in greeting (reject_unknown_hostname)
    Sender's domain (reject_unknown_sender_domain)
    Last edited by garfabian; 09-12-2007 at 09:32 AM. Reason: added more content

  2. #2
    phoenix is offline Zimbra Consultant & Moderator
    Join Date
    Sep 2005
    Vannes, France
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    Check the wiki for whitelisting.


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
    Join Date
    May 2006
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    It's probably from your selections in the 'DNS checks' section and not the 'Protocol checks' section.

  4. #4
    Join Date
    Aug 2007
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    Thank you I'm going to try the whitelistings method any drawbacks to using that one?

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