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## Trend Micro Email Reputation Standard

This service helps block spam by validating requested IP addresses against the Trend Micro reputation database, powered by the Trend Micro Threat Prevention Network. This ever-expanding database currently contains over 1 billion IP addresses with reputation ratings based on spam activity. Trend Micro spam investigators continuously review and update these ratings to ensure accuracy.
Email Reputation Standard Service is a DNS single-query-based service. Your designated email server makes a DNS query to the standard reputation database server whenever an incoming email message is received from an unknown host. If the host is listed in the standard reputation database, Email Reputation reports that email message as spam. You can set up your Message Transfer Agent (MTA) to take the appropriate action on that message based on the spam identification from Email Reputation.

| ##### Tip Trend Micro recommends that you configure your Message Transfer Agent (MTA) to block, not receive, any email from an IP address that is included on the standard reputation database.