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Thread: MTA relay without SSL

  1. #1
    benizim is offline New Member
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    Default MTA relay without SSL

    Hi, I am new to dns/postfix and zimbra, i follow the instruction and setup zcs 6 os at my centos5.3 server. I used zimbra relay my isp hosting email, incoming work great but sending hit the rock.

    i get this error while sending email

    Code:
     This mail server requires authentication when attempting to send to a non-local e-mail address. Please check your mail client settings or contact your administrator to verify that the domain or address is defined for this server.
    according to wiki Outgoing SMTP Authentication - Zimbra :: Wiki

    it is only mention smtp auth with ssl
    Code:
    echo mailrelay.example.com username:password > /opt/zimbra/conf/relay_password
    Code:
    postconf -e smtp_sasl_password_maps=hash:/opt/zimbra/conf/relay_password
    Code:
    postconf -e smtp_sasl_auth_enable=yes
    my isp mail doesnt require ssl smtp, how can i authenticate without ssl in this case?

    Thank you

  2. #2
    phoenix is online now Zimbra Consultant & Moderator
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    Default

    Quote Originally Posted by benizim View Post
    my isp mail doesnt require ssl smtp,
    That would be rather strange.
    Quote Originally Posted by benizim View Post
    how can i authenticate without ssl in this case?
    How about using the Admin UI to set-up the relay.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
    benizim is offline New Member
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    yes, i used Admin UI to set-up the relay, but it bounces, so i follow this link
    Outgoing SMTP Authentication - Zimbra :: Wiki

    the problem still persist

    Code:
    Dec  3 15:55:58 mail postfix/smtp[5274]: 6B3013D8B5A: to=, relay=mail.xxxmail.com[1xx.1xx.2xx.1xx]:587, delay=0.64, delays=0.04/0.01/0.52/0.06, dsn=5.0.0, status=bounced (host mail.xxxmail.com[1xx.1xx.2xx.1xx] said: 503 This mail server requires authentication when attempting to send to a non-local e-mail address. Please check your mail client settings or contact your administrator to verify that the domain or address is defined for this server. (in reply to RCPT TO command))
    Configuration output:

    Code:
    [zimbra@mail conf]$ zmprov gs mail.myzimbraserver.com | grep -i -e auth -e mode
    zimbraBackupMode: Standard
    zimbraMailMode: http
    zimbraMailReferMode: wronghost
    zimbraMtaAuthEnabled: TRUE
    zimbraMtaAuthHost: mail.myzimbraserver.com
    zimbraMtaAuthTarget: TRUE
    zimbraMtaAuthURL: http://mail.myzimbraserver.com:80/service/soap/
    zimbraMtaSaslAuthEnable: TRUE
    zimbraMtaTlsAuthOnly: FALSE
    zimbraReverseProxyImapStartTlsMode: only
    zimbraReverseProxyMailMode: http
    zimbraReverseProxyPop3StartTlsMode: only
    Thanks for help !!!

  4. #4
    phoenix is online now Zimbra Consultant & Moderator
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    Quote Originally Posted by benizim View Post
    yes, i used Admin UI to set-up the relay, but it bounces, so i follow this link
    Outgoing SMTP Authentication - Zimbra :: Wiki
    Then you will have to contact your ISP and confirm their requirements for Authentication.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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