We have some scripts here that have been monitoring large amounts of mail sent to our servers that appear to be spam. We make this determination when 50 or more messages are sent from a certain domain and then generate 50 or more bounces and when we try to deliver the bounces, the remote server refuses our connection. These are not always spammers and we have to look through the file before we add it to badmailfrom but so far, none of our users have complained about us blocking mail from domains that are important to them. We also use MAPS and these are domains that still make it by MAPS lookup.
I offer a copy of the 6,000+ domains that we have collected over the past year or so but want to warn anyone who wants to use it to look it over/search it first to make sure there are not any domains on it that you don't really want to block.
You can find it here:
http://www.freewebs.com/plesk/
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We have some scripts here that have been monitoring large amounts of mail sent to our servers that appear to be spam. We make this determination when 50 or more messages are sent from a certain domain and then generate 50 or more bounces and when we try to deliver the bounces, the remote server refuses our connection. These are not always spammers and we have to look through the file before we add it to badmailfrom but so far, none of our users have complained about us blocking mail from domains that are important to them. We also use MAPS and these are domains that still make it by MAPS lookup. I offer a copy of the 6,000+ domains that we have collected over the past year or so but want to warn anyone who wants to use it to look it over /search it first to make sure there are not any domains on it that you don't really want to block.
You can find it here:
http://www.freewebs.com/plesk/