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  1. #1
    Join Date
    Mar 2008
    Posts
    263

    All outgoing email spamed by yahoo!

    Hello,

    All outgoing email (smtp) from our server going to spam/bulk folder in yahoo, but its ok in gmail, hotmail, aol and ...
    Where is issue?
    Help me please, because we have this problem in cpanel, lxadmin and ...

    Thanks
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  2. #2
    Join Date
    Aug 2007
    Location
    Datacenter
    Posts
    4,414
    Is there a reverse DNS entry set of your mailserver?
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  3. #3
    Join Date
    Mar 2008
    Posts
    263
    Hi,

    Yes, reverse dns is configured by our datacenter.
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    PersianWhois.Com

  4. #4
    Join Date
    Jun 2007
    Location
    UK
    Posts
    219
    Have you tried using DKIM (and SPF)?
    I think the server saw what was required of it and just committed suicide instead.

  5. #5
    Join Date
    Mar 2008
    Posts
    263
    Hi,

    I have spf record.
    But what is DKIM?
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    PersianWhois.Com

  6. #6
    Join Date
    Nov 2004
    Location
    India
    Posts
    1,104
    Hi,

    Normally mails will be deliver to bulk mail if yahoo added your server IP in bulk mail list. They will add our IP, if yahoo receives bulk mails continuesly from your server.

    You can findout the exact cause by checking your maillog.
    AssistanZ - Beyond Boundaries...
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  7. #7
    This Is Due To People Using Mail Bomb Scripts That Flood Emails And Which Yahoo Send Any Email From Server To Bulk Or Spam

  8. #8
    Join Date
    Mar 2008
    Posts
    263
    How can check my server ip with yahoo?
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    PersianWhois.Com

  9. #9
    Join Date
    Nov 2003
    Location
    London
    Posts
    573
    Community Manager @ Cloudflare
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    Passionate about photography.

  10. #10
    Join Date
    Mar 2008
    Posts
    263
    Hi,

    Can you provide a valid SPF record for me?
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    PersianWhois.Com

  11. #11
    Join Date
    Nov 2003
    Location
    London
    Posts
    573
    You can do it yourself using this wizard: http://old.openspf.org/wizard.html
    Community Manager @ Cloudflare
    I'm on Twitter too. DMs open.
    Passionate about photography.

  12. #12
    Join Date
    Oct 2007
    Posts
    1,903
    Also make sure that server IP is not blacklisted in any spam list.
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  13. #13
    Join Date
    Jun 2007
    Location
    UK
    Posts
    219
    Quote Originally Posted by persianwhois View Post
    Hi,

    I have spf record.
    But what is DKIM?
    See the DKIM site - http://www.dkim.org/
    I think the server saw what was required of it and just committed suicide instead.

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