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Old 19th January 2010, 12:05
till till is offline
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1) Test your server, if its an open relay:

http://www.abuse.net/relay.html

2) Which tutorial did you use to setup your server?
3) Do you run any cms systems or websites which use contact forms on this server? If yes, make sure that you installed the latest updates for these systems in case there is a bug in the scripts that allow the relaying of spam.
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Till Brehm
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Get ISPConfig support and the ISPConfig 3 manual from ispconfig.org.
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