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Thread: SMTP authentication for zimbra postfix

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    Join Date
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    Default SMTP authentication for zimbra postfix

    Hi wazup?

    Hope things are going great here .. :-)

    I'm a zimbra zcs-4.0.4_GA_457.FC4 admin.
    Let me jump into my probelm now - it is SPAM

    I have applied many settings to zimbra postfix reading the froum here..and could block a huge chunk of spams.. thanks guys..

    Now the set up is like this - we have internal mail groups and only mydomain.com users are allowed to mail to those groups. All other domains are bloked using -
    permitted_senders_list = check_sender_access hash:/opt/zimbra/postfix/conf/permitted_senders, reject
    smtpd_restriction_classes = permitted_senders_list.

    Ok, things were fine, now the spamer generates some junk ids (not real) in mydomian.com (eg: xhys42@mydomain.com) and sends mails. Please help me block him now, need to enable SMTP authentication? My requirement is like this - only a valid user with a valid password should be able to send mails from mydomain.com. Possible right? I was searching here in forums but too many lists & unable to find. I know with postfix it's possible (but don't know how/didn't try yet) but confused with LDAP authetication in zimbra.

    Please give me some hints. Is this issue already addressed? then somebody can direct me to the proper place? :-)

    Thanks
    -ViveK
    Last edited by Vivek k c; 02-27-2008 at 10:30 AM.

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