Old 23rd June 2010, 15:06
poisen poisen is offline
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Default Server blacklisted

Hey everybody,

I got a problem that I need to solve as quick as possible. Running a server with OpenSuse 10.3 and ISPConfig2 and the server got blacklisted and I now also received a message from the hosting company that there has been spam sent through my server. How can I figure out what is wrong and how do I close it up so this doesn't happen anymore. Btw, all the content is being moved to another server, but I still need it running for about another 30 days without having people sending spam mails through the server.

I'd be thankful for some help or information.
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Old 23rd June 2010, 20:30
KZeeSoft KZeeSoft is offline
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1.) Make sure that your server is indeed blacklisted, and figure out what reasons you were blacklisted. Go here: http://mxtoolbox.com/blacklists.aspx

2.) You should check and see if your server is an open relay, which could be the source of the issue. Go here: http://www.spamhelp.org/shopenrelay/

3.) Go back and check any forms you have on your web pages that send mail out, such as a "contact us" form. You have to be sure you do validation checks (via client or server side scripts) which will prevent these issues. If you do not, then spammers will use your website forms to mail many people, hence why your getting the spam alerts and blacklists.

After all is fixed, request you are removed from the affected blacklist entries via the same site as #1 - http://mxtoolbox.com/blacklists.aspx

I hope this can help you =)
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