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Thread: [SOLVED] Send Zimbra to Relay

  1. #1
    space007 is offline Junior Member
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    Default [SOLVED] Send Zimbra to Relay

    Can please anybody help me,

    This is my box: Debian Netinstall 5.04, Zimbra (zcs-6.0.5_GA_2213.DEBIAN5.20100131173855)
    got a domain name for the familie, zimbra in internal network all of us.

    Followed the wiki about splitdns and the Zimbra Collaboration Suite (ZCS) Open Source Edition v5.0 On Debian Etch

    MX for domain.com is resolved internally, thats fine.
    Hosts file is fine.

    For incoming mail I will use external pop3 from my domain.com, as for smtp I will use the ISPs mail relay.
    Getting mail via pop3 works..

    as of sending emails it doesnt.. internal mail works

    - Configuration - Server config i specified ISP mail relay server and port,
    - Unchecked Enable authentication
    save

    restart zimbra

    after sending the email got the message back "Undelivered Mail Returned to Sender"
    Client host rejected: Access denied (in reply to RCPT TO command).

    what can be wrong with the configuration ?


    regards

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

    Did you also disable DNS look ups on the page where your specified the ISP relay ?

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    space007 is offline Junior Member
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    yes i did.

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    ArcaneMagus is offline Moderator
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    From the error message it looks like the ISP server is denying you relay access. Does your ISP require any setup on their end to allow your server access?

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    uxbod's Avatar
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    Most ISPs will use a alternative port to 25 for client relay.

  6. #6
    space007 is offline Junior Member
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    Quote Originally Posted by uxbod View Post
    Most ISPs will use a alternative port to 25 for client relay.
    Nope, this one is for sure port 25


    From the error message it looks like the ISP server is denying you relay access. Does your ISP require any setup on their end to allow your server access?
    Again nope. At the moment I am having Desknow running on another box with the same configuration (pop3 for in, smtp relay for outgoing mail) on a CentOS box and is working. I am in the process to get off the desknow wagon, zimbra looks like a nice alternative.

  7. #7
    ArcaneMagus's Avatar
    ArcaneMagus is offline Moderator
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    Well for whatever reason their server is denying your Zimbra server from relaying messages. Are you sure you don't need to authenticate?

  8. #8
    space007 is offline Junior Member
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    I swear on my root password that is a mail relay for the IPs of that ISP

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    space007 is offline Junior Member
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    Hi to all, first thanks for so fast replays and suggestion you all made.

    I give up on the relay server, as its everything like is written in wikies and still doesn't work.

    I went up the Outgoing SMTP Authentication road.

    Made the:
    zmprov ms zimbra.server.com zimbraMtaRelayHost mail.server.com:25
    echo mail.server.com user.name@server.com:123password456 > /opt/zimbra/conf/relay_password
    postmap hash:/opt/zimbra/conf/relay_password
    postmap -q mail.server.com /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
    then because of the error ((Authentication failed: cannot SASL authenticate to server ...: no mechanism available)) I run the following:
    postconf -e smtp_sasl_security_options=noanonymous
    postfix reload

    Now in the Zimbra log got this error:
    Mar 18 10:58:24 zimbra postfix/smtp[4642]: D9D406486E: to=, relay=mail.server.com[X.X.X.X]:25, delay=1.2, delays=0.06/0.12/1/0, dsn=4.0.0, status=deferred (SASL authentication failed; server mail.server.com[X.X.X.X] said: 535 Incorrect authentication data)

    Naturally, before posting here I tested with Thunderbird pop3 and smtp for the mail.server.com

    Ideas ?


    regards
    Last edited by space007; 03-18-2010 at 03:24 AM. Reason: spelling

  10. #10
    uxbod's Avatar
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    I would ask your ISP what they are seeing from their side.

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