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Quick Check | Advanced Check | DNS Block Lists | Resources | |
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Last Updated: March 8, 2007 | |
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Check to see if your IP addresses are listed with over 100 DNS based anti-spam databases! Will your mail server be blocked by DNSbl filters? Probably the most common way of detecting spam is rejecting mail that comes from mail servers known (or believed) to send spam. This is done by taking the IP address of the remote mail server, converting it to a domain name using the ip4r format (a.b.c.d becomes d.c.b.a.lookupzone.com), and seeing if that name exists. Quick Check: Check's to see if the IP address submitted is on any of the top 9 DNS block lists. |
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