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Thread: External mail relay authentication error

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  1. #1
    Join Date
    May 2011
    Chennai Madras
    Rep Power

    Default External mail relay authentication error

    Dear all,

    We have mail server with zimbra open source edition 7.1.1 with ubuntu 10.04 64bit server. It is up and running. We found that our IPs are blacklisted some times due to spam mail sent from our server and we decided to implement an external MTA relay. Our relay provider is they provided us the user ID: with password: Admin!@#

    These are the steps we followed to point the MTA relay,

    zmprov ms zimbraMtaRelayHost
    zmprov mcf zimbraMtaRelayHost
    echo!@# > /opt/zimbra/conf/relay_password
    postmap hash:/opt/zimbra/conf/relay_password
    postmap -q /opt/zimbra/conf/relay_password
    postconf -e smtp_sasl_password_maps=hash:/opt/zimbra/conf/relay_password
    postconf -e smtp_sasl_auth_enable=yes
    #postconf -e smtp_cname_overrides_servername=no
    postfix reload

    After doing this we are trying to send and receive mails. when we send the mail it shows that mail was sent and it was in the sent mail folder, but after some minutes we receive the bounce message that due to SASL authentication error the mail was not send. similarly we are not able to receive the mails.

    Please point out any mistake i have made or give me a solution to achieve my requirement.

  2. #2
    Join Date
    May 2011
    Chennai Madras
    Rep Power

    Default relay authentication error

    Hi friends,

    pls answer me if any one knows

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