MailAccess

Free email OSINT tool checking an address against 2,500+ platforms for breaches and accounts.

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MailAccess is a free, open-source email OSINT tool that checks an address against 2,500+ platforms for account existence and breach exposure, with no API keys required. It's built for security researchers and OSINT investigators who need a consolidated view of an email's footprint.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of MailAccess - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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