Email list hygiene — removing inactive or invalid subscribers — genuinely improves deliverability, per the broader deliverability requirements covered elsewhere, but should be balanced against the risk of removing subscribers who could still be recovered.
Removing a dormant subscriber who might have been genuinely recoverable is a real cost, not a neutral cleanup action — running a re-engagement attempt first captures the deliverability benefit of cleaning without giving up on subscribers who could still come back.
Regularly, at least quarterly for most businesses, though frequency should scale with your sending volume and how quickly your list naturally accumulates dormant addresses.
Yes, per our pricing models guide, many platforms price by contact count, making hygiene directly relevant to controlling cost as well as improving deliverability.
Generally yes, if a subscriber does not respond to a genuine, well-designed re-engagement attempt, continuing to send to them carries more deliverability risk than potential recovered value.
If you want help implementing a balanced email list hygiene practice, talk to our team.
Run a re-engagement campaign before removing dormant subscribers outright — this preserves genuinely recoverable subscribers while still achieving the deliverability benefit of removing truly inactive contacts.
Written by Fibvo — Bengaluru and Erode, India — working with clients in other time zones. Questions, or think we have it wrong? Tell us.
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