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Thread: Connection refused

  1. #1
    ivanbrasil is offline Member
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    Default Connection refused

    Hello!

    I'm trying to send mail to gmail en others servers and this message was show in zimbra.log.

    The messages sent to my domain is going.

    May 2 13:50:54 server postfix/smtp[2883]: F3F90AD8190: to=, relay=none, delay=3521, delays=3519/0.03/1.4/0, dsn=4.4.1, status=deferred (connect to alt1.gmail-smtp-in.l.google.com[216.239.59.27]: Connection refused)

    I'm using Ubuntu Server 6.06 and Zimbra 5.0.5

  2. #2
    dwmtractor's Avatar
    dwmtractor is offline Moderator
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    Quote Originally Posted by ivanbrasil View Post
    Hello!

    I'm trying to send mail to gmail en others servers and this message was show in zimbra.log.

    The messages sent to my domain is going.

    May 2 13:50:54 server postfix/smtp[2883]: F3F90AD8190: to=, relay=none, delay=3521, delays=3519/0.03/1.4/0, dsn=4.4.1, status=deferred (connect to alt1.gmail-smtp-in.l.google.com[216.239.59.27]: Connection refused)

    I'm using Ubuntu Server 6.06 and Zimbra 5.0.5
    Have you got the proper reverse DNS and MX records set up in the public DNS for your mailserver? A lot of things can result in a refused connection but that's definitely a common reason.

    Cheers,

    Dan

  3. #3
    toritogol2000 is offline New Member
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    Default i have the same problem

    I have two entries in /etc/hosts file:
    127.0.0.1 localhost.localdomain localhost
    192.168.1.167 mail.centroviaxes.com mail

    i have all ports open in my router (25, 110, 80, 143, 7025, 443, 7071) redirecting to 192.168.1.167

    i have opensuse 10.2 and firewall is off. My zimbra is 5.0.5 open edition.

    i send mail to my gmail account without any problem. But if i send a mail to my admin@centroviaxes.com account, in my zimbra's server mail queque appears that message as error (connection refused my public ip).

    i have this entries in my domain:

    centroviaxes.com MX 10 mail.centroviaxes.com
    mail.centroviaxes.com MX 10 mail.centroviaxes.com
    centroviaxes.com A my public ip
    mail.centroviaxes.com A my public ip

    what is the problem?

  4. #4
    phoenix is online now Zimbra Consultant & Moderator
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    Quote Originally Posted by toritogol2000 View Post
    what is the problem?
    You do not have any reverse DNS and that's likely causing you a problem.

    Code:
    nslookup 212.170.101.12
    Server:         192.168.1.6
    Address:        192.168.1.6#53
    
    ** server can't find 12.101.170.212.in-addr.arpa: SERVFAIL
    and this report:

    Quick Check - Pingability.com
    Last edited by phoenix; 05-04-2008 at 07:38 AM.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  5. #5
    toritogol2000 is offline New Member
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    Default i don't understand

    i don't understand, how can i solve it?

  6. #6
    phoenix is online now Zimbra Consultant & Moderator
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    Quote Originally Posted by toritogol2000 View Post
    i don't understand, how can i solve it?
    ou will probably have to contact your ISP and get them to create a reverse DNS for your IP address.

    Reverse DNS lookup - Wikipedia, the free encyclopedia
    Reverse DNS - Site5Wiki
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  7. #7
    toritogol2000 is offline New Member
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    Default my isp doesn't support reverse dns

    I have been looking this and my isp doesn't support reverse dns because spam.

    How can i configure zimbra without reverse dns?

  8. #8
    phoenix is online now Zimbra Consultant & Moderator
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    Quote Originally Posted by toritogol2000 View Post
    I have been looking this and my isp doesn't support reverse dns because spam.

    How can i configure zimbra without reverse dns?
    That is nothing to do with Zimbra configuration. It's other mail servers that check if you have a reverse DNS, if you don't they give your mail a spam weighting or refuse to accept mail from you.

    If this really is your problem then the only alternative would be to relay mail through your ISPs mail server.
    Last edited by phoenix; 05-04-2008 at 10:45 PM.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  9. #9
    dwmtractor's Avatar
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    Quote Originally Posted by toritogol2000 View Post
    I have been looking this and my isp doesn't support reverse dns because spam.
    Huh? That makes no sense. Reverse DNS is the world's way of double checking that if they get mail from somedomain.com, the IP address from which the mail came really belongs to somedomain.com. Spam usually doesn't come from valid ips on valid domains so it's a pretty reliable check. I can't think of any reason that implementing RDNS would increase spam; if that's the position of your ISP perhaps you need to consider a different one. . .
    Cheers,

    Dan

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