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About kevinandrew

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  1. There are a lot of real time blacklists available for mail administrators and ISPs to use. These blacklists may vary in their criteria of blacklisting an IP or a domain, or in their whitelisting process but all exist to fight spammers and stop spam.An Open Relay Blacklists prevent messages from servers who have been identified as open relay. Messages from open relay sever are likely to be spam since this type of server allows non authenticated source to relay emails to any address in the internet.
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