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Email Ecosystem and Actors

No sender is an island. The email world is a busy "sea" crowded with Mailbox Providers (the "harbor masters"), Blocklist Operators (the "patrols"), and Subscribers (the "ports of call"). Learn who they are and what they want.

12 questions in this topic

What is a mailbox provider? What is an ISP in email context? What is an ESP? What is an MTA vendor? What is a blocklist operator? What is a feedback loop provider? What is a spamtrap operator? What is a certification body (e.g., CSA)? What is a security vendor? What is a deliverability consultant? What is a reputation monitoring service? What is an email validation vendor?