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Thread: mail relaying through zimbra

  1. #1
    chandu is offline Elite Member
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    Default mail relaying through zimbra

    Hi

    i had install one zimbra server and using as smtp-relay server,

    i had one other linux machine, having default mailserver sendmail and client as mutt or mail. I had add ip of these linux machine, to my zimbra server in postconf mynetworks.

    Now,

    when i do telnet from linux machine to smtp server on port 25, and send mail to other domain, it successfully relay the mail to the internet.

    But,

    when i send mail via mutt or mail, it does not able to send.

    i had seen in /var/log/maillog it is showing connect is reset by mail.yahoo.com or mail.gmail.com

    In resolve.conf of the linux machine
    follwing are the entry

    nameserver smtpserverip
    nameserver primarydnsserverip
    nameserver secondaydnsserverip

    what will be the problem????

    Regards,
    chandu

  2. #2
    uxbod's Avatar
    uxbod is offline Moderator
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    Check for Postfix error messages in /var/log/zimbra.log to see why it would not accept the email.

  3. #3
    chandu is offline Elite Member
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    Hi,

    /var/log/zimbra.log on smtpserver is not showing any thing.



    Regards,
    chandu

  4. #4
    uxbod's Avatar
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    Sorry, perhaps I have misunderstood, so is your setup as follows :-

    Mutt -> Sendmail -> Zimbra (relay) -> External MTAs

  5. #5
    chandu is offline Elite Member
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    Hi,

    Ya, this is the flow of mail via zimbra smtp.





    Regards,
    chandu

  6. #6
    uxbod's Avatar
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    Okay, you need to define a smart host in your Sendmail configuration then. Take a look at /etc/mail/sendmail.cf and you should find something like
    Code:
    # Relay all non-local mail to the "Smart" relay host (DS) via smtp:            #
    #                                                                              #
    #      This macro is optional. If you wish to send all non-local mail          #
    #      to a smart relay via SMTP just set macro S (DS) to the name of the      #
    #      smart relay.  If this macro is not set, then all mail addresses to      #
    #      a non-local user will be send to the relay.                             #
    #                                                                      
    # "Smart" relay host (may be null)
    DS
    so to relay any external email through your ZCS server just use
    Code:
    DSfqdn.myzimbra.server
    and then restart Sendmail.

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