Block
September 6, 2018
An Email Marketing Glossary Entry

What is a block?

The term block refers to a refusal by a receiving ISP or mail server to forward your message to a recipient. Many service providers block email from IP addresses or domains that have been reported as sources of spam or viruses, or those that violate email policy or spam filters.

See also:

  • Blacklist

 

The Mailman

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