[ DB ] — Program directory · F
Fastmail bug bounty program.
Plain answers on whether Fastmail pays, how much legal protection it gives researchers, and where to send a report.
What kind of security program does Fastmail run?
Fastmail runs a bug bounty program that pays rewards, with no stated safe harbor.
At a glance
- Pays bounties
- Yes
- Swag
- No
- Hall of fame
- Yes
- Safe harbor
- None
- Security contact
- security@fastmailteam.com
- security.txt
- Not stated
- PGP key
- Not stated
- Public disclosure
- co-ordinated
- Disclosure timeline
- Not stated
- Preferred languages
- en
- Policy page
- Live at last check
Type: bug bounty program. Data from the disclose.io open database (CC0), snapshot November 2026. Policies change — always read Fastmail's own policy and scope before testing.
[ FAQ ] — Fastmail: questions researchers ask
Does Fastmail have a bug bounty program?
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Yes — Fastmail runs a public bug bounty program that offers rewards. Check its policy for the reward table and what is in scope.
How do I report a vulnerability to Fastmail?
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Read Fastmail's published policy first and stay inside its scope. The listed security contact is security@fastmailteam.com. Include clear reproduction steps, impact and a proof of concept.
Does Fastmail offer safe harbor to security researchers?
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Fastmail's policy does not include a safe harbor commitment. Test carefully, stay strictly within scope, and consider reporting only what you find passively.
Does Fastmail give swag or hall of fame credit?
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Fastmail does not offer swag and credits researchers in a hall of fame.
Does Fastmail allow public disclosure?
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Its disclosure stance is recorded as "co-ordinated". Always agree disclosure with the program before publishing.
What languages does Fastmail accept reports in?
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Fastmail lists en as preferred report languages.
Is Fastmail's security policy still active?
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Its policy page was reachable when the disclose.io data was snapshotted (November 2026). Policies change, so always read the current version.
How do I write a report Fastmail will accept?
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Lead with impact, give exact steps to reproduce, attach a minimal proof of concept and suggest a fix. Our guide on writing reports triagers love walks through each part.
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