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Thread: [SOLVED] AS 400 system cannot relay email to Zimbra

  1. #1
    herry.bayu is offline New Member
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    Question [SOLVED] AS 400 system cannot relay email to Zimbra

    I have AS 400 system and Zimbra Mail System..
    These 2 system in one LAN segment
    I have task that several AS 400 notification will be send email to user using email server..
    for example one task in AS 400 finish, than AS 400 send email to user using mail server.
    AS 400 using mail server Exchange 2000 its fine to send email
    but if using Zimbra its cannot...
    here's the zimbra.log

    Mar 24 15:15:27 svrmail postfix/smtpd[21629]: connect from jeias400.jein.co.id[10.1.1.5]
    Mar 24 15:15:27 svrmail postfix/smtpd[21629]: warning: non-SMTP command from jeias400.jein.co.id[10.1.1.5]: From: yudi@jein.co.id
    Mar 24 15:15:27 svrmail postfix/smtpd[21629]: disconnect from jeias400.jein.co.id[10.1.1.5]

    Anyone can help? please I little bit frustrated here....

    Thanks

    Herry Bayu

  2. #2
    uxbod's Avatar
    uxbod is offline Moderator
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    Welcome to the forums

    From the AS400 server if you perform a telnet to your Zimbra server on port 25 and try and manually send a email does it work ?

  3. #3
    herry.bayu is offline New Member
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    Ok.. thanks uxbod.

    FYI that AS 400 system was managed by different person at japan..
    so I can't do it by my self.... I will tell you the result immediately
    btw thanks for your suggestion.

    But could anyone tell me security on zimbra? I think this problem because zimbra is too secure so block relay email from AS 400..

    Thanks

  4. #4
    herry.bayu is offline New Member
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    I have troubleshoot that case. and I found smtpd helo is the problem

    So the solution is change zimbra smtpd_helo_required from yes to no..

    1. su zimbra
    2. cd /opt/zimbra/conf
    3. ls -al
    then you will see that zmmta.cf marked as read only
    change with chmod 644 zmmta.cf
    4. vi zmmta.cf
    find line smtpd_helo_required
    delete word after helo required (usually Local bla bla bla)
    add no after smtpd_helo_required
    5. now in zmmta.cf its :
    smtp_helo_required no
    6. reload your zimbra
    zmcontrol stop
    zmcontro start

    And it's worked.

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