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Thread: 2000 email on active list, not from or to my domain, SPAM?

  1. #1
    Join Date
    Aug 2010
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    Default 2000 email on active list, not from or to my domain, SPAM?

    Hi guys, i had installed zimbra comunity 6 n past 15 days, i'm worry about what is happening, let me explain,

    today morning i received 2393 email, that's ok, but, it's not from my domain and neither to my domain, its from "" and "", with a little search on google o found some phishing spam using this two domain, and the worst is that the source ip from those emails is Loopback (, am I a spam reply???
    Is there something missconfigured?

    printscreen from zimbra admin console:

    hope you can help me!!!

    PS: the messages was on active tab, i send the to "retidos" tab!
    Sorry my poor english

  2. #2
    phoenix is offline Zimbra Consultant & Moderator
    Join Date
    Sep 2005
    Vannes, France
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    You can start by doing an open relay test on your serer, use one of the sites listed here to test: +"open relay test" - Yahoo! Search Results

    You can also search the forums for some additional posts on how to improve the anti-spam system on Zimbra, you can also have a look at this article: Improving Anti-spam system - Zimbra :: Wiki and implement some of it's recommendations (if you like) and specifically the section on Discarding Emails Sent to Invalid Addresses . Have a look in the log files (or the daily mail report sent to your Admin account) and see if any of your users are sending large numbers of email (you may have a security problem with passwords).

    Have you made any changes to Zimbra or the Anti-Spam system since yiu installed Zimbra?


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
    Join Date
    Aug 2010
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    Default hi

    hi phoenix, thanks for the answer.

    i test my server with SpamHelp . org, an there says "Testing on port 25... successful! - the SMTP server is NOT an open relay.".

    apparently i'm not a spam relay, an no, ido not change defautl conf of spam on zimbra.

    a few days ago i saw the link that you poster about improving anti-spam system and i've added som domain to blacklist, like the link say to do.

    i've been analising the report on admin for a few days and some of my top 50 senders are using outlook and windows mail, nothing too big, about a 50 mails per day, maybe the problem is the password stored on outlook?

    i'd like some suggestions about my problem.

    thanks for your time.

    greets from brazil!

    Luiz maia

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