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Release history

Mailpit releases

Email testing tool and API for developers

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All releases

30 shown

Review required
v1.30.1 Security relevant
Dependencies

Security hardening + config updates

Open
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v1.30.0 Security relevant
Auth RCE / SSRF

Message size limit + security fixes

Open
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v1.29.7 Security relevant
Dependencies

Dependency security update

Open
No immediate action
v1.29.6 Maintenance

Routine maintenance and dependency updates.

Open
Review required
v1.29.5 Mixed
Auth

Sandbox iframe + VACUUM toggle

Open
No immediate action
v1.29.4 Mixed

Header filter + dependency updates + webhook refactor

Open
Review required
v1.29.3 Security relevant
Auth RCE / SSRF

Sanitization + proxy limits

Open
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v1.29.2 Breaking risk
RCE / SSRF Breaking upgrade

SSRF fix + --allow-internal-http-requests

Open
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v1.29.1 Security relevant
Dependencies

CVE fix + Inbox + CORS

Open
No immediate action
v1.29.0 New feature

Attachment checksums + CORS + webhook delay

Open
Review required
v1.28.4 Bug fix
Auth Breaking upgrade

SMTP protocol fixes

Open
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v1.28.3 Security relevant
RCE / SSRF

SMTP header & SSRF fixes

Open
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v1.28.2 Security relevant
Auth

CSWSH fix + relay addresses

Open
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v1.28.1 Security relevant
RCE / SSRF

Screenshot proxy security restriction

Open
No immediate action
v1.28.0 New feature

Optional SMTP error propagation

Open
No immediate action
v1.27.11 Maintenance

Routine maintenance and dependency updates.

Open
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v1.27.10 Security relevant

ExpVar information disclosure fix

Open
No immediate action
v1.27.9 Maintenance

Routine maintenance and dependency updates.

Open
Review required
v1.27.8 Maintenance
Dependencies

Routine maintenance and dependency updates.

Open
No immediate action
v1.27.7 Bug fix

HELO/EHLO hostname fix

Open
No immediate action
v1.27.6 New feature

--no-release-check flag

Open
No immediate action
v1.27.5 Bug fix

POP3 UIDL support

Open
No immediate action
v1.27.4 Mixed

Silent SMTP drop + dependency updates

Open
No immediate action
v1.27.3 Bug fix

sendmail fix

Open
Review required
v1.27.2 Mixed

Self‑signed certs + Sendmail TLS + Pruning fix

Open
Review required
v1.27.1 Maintenance
Auth

Routine maintenance and dependency updates.

Open
No immediate action
v1.27.0 Breaking risk

Go version bump + WebSocket alignment

Open
No immediate action
v1.26.2 Mixed

Username tag + version disable + poll fix

Open
No immediate action
v1.26.1 Mixed

Message-ID preservation + POP3 fix + test improvements

Open
Config change
v1.26.0 Mixed
Auth

Send API auth + Prometheus + dependency updates

Open

Beta — feedback welcome: [email protected]