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unknown thousands spam emails from my server

Discussion in 'E-mail Discussions' started by xml, Mar 1, 2014.

  1. xml

    xml Well-Known Member

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    Hello

    Suddenly yesterday thousands of bounced emails hitting my server and when i checked WHM in the Mail Queue Manager I see many emails waiting to to be sent as shown on the attached image

    If those emails are listed in the Mail Queue Manager does it mean its for real comming out from my server or it might be spoofing?

    cpanel dedicated server
    CentOS release 6.5 (Final)
    whm/cpanel WHM 11.40.0 (build 26)
     

    Attached Files:

  2. dalem

    dalem Well-Known Member
    PartnerNOC

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    from what little info you provided it looks to be coming from your server
     
  3. Eric

    Eric Administrator
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    Howdy,

    Track this down to a site and see if they have an insecure mailbox or mailform. Turn on outbound rate limits to slow the damage to your dnsbl cred.

    Thanks!
     
  4. xml

    xml Well-Known Member

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    I was able to solve the issue by changing the email account password and made very strict rules for CSF/LFD firewall
     
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