User description is a database which several sysadmins, and email users have assembled and use to block spam emails. This private database is now available for the general public to take a peek or use for email filtering.Most spam blocking systems operate after the fact. There is a delay between spam sources starting up their shop, sending spam to countless people, and getting their network ip ranges blocked in the recorded by these systems. email security out known spammy domains and spam origins, it blocks them as soon as they begin, occasionally right before they begin sending spam.SPEWS also discovered that several of the several popular spam lists and obstructing services have become bogged down due to an high number of requests, this lessens their effectiveness. SPEWS doesn't operate A request or vote based record of spam, entries in the long list come from the knowledge and expertise of the people who set up and use the SPEWS list.
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