We publish a substitute list only where a record says what kind of product it is. inboxkitten.com's does not yet, so this page names none. The Email category lists every offer we track alongside it.
Current inboxkitten.com Situation
Risk Level:source unconfirmed
Why: The only record that would rate inboxkitten.com is a change we could not check against an archived copy of inboxkitten.com's page, so we are not publishing a rating for it. We are not publishing a stability judgement for it until that is fixed.
model changediscovered 2026-09-10 · effective date unknownmedium impact
A free tier still exists, the details have changed. Have their own free tiers but incur costs if limits are exceeded. The auto-delete time is stated as 'several hours' but also 'officially 3 days according to mailgun'. The emphasis on self-hosting and external service costs introduces a new element. Unconfirmed. We could not check this change against an archived copy of inboxkitten.com's page, so it does not count toward the rating.Source ↗
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