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Guides and research on email verification, bounce rates, catch-all domains, disposable addresses, list hygiene and sender reputation. Written by the people who run the engine.
3 posts tagged sender-reputation
@Sender reputation explained: what Gmail and Yahoo measure, the February 2024 bulk sender rules one by one, how bounces and complaints feed it, and a 30-day recovery plan.
@Keep hard bounces under 2% or mailbox providers start throttling you. Hard versus soft bounces, the main causes, a step by step cleanup plan and sunset policies.
@Spam traps are addresses that exist only to catch senders with bad lists. The three types, how they end up on your list, what verification can and cannot detect, and how to stay clear.
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