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Email List Decay Calculator
Email lists go stale over time. Estimate how many addresses will decay and how many stay reachable.
0
addresses decayed
0
still reachable
0%
of list lost
Why lists decay
People change jobs and addresses, abandon mailboxes, and enter typos at signup. Industry benchmarks put monthly decay around 2 to 3%, which compounds fast. Verifying before you send removes the decayed addresses before they bounce.
Keep your list reachable with the free email checker or read the list cleaning guide.