mailpit

Mailpit SMTP testing server capturing outbound mail with a web UI and API. Shell-less Go binary, signed and SBOM-attested, rebuilt daily against CVE fixes.

Vulnerabilities
None
Compressed size
11 MB
Architectures
amd64, arm64
Default user
mailpit (65532)
Last built
today

Pull this image

docker pull ghcr.io/rtvkiz/minimal-mailpit:latest
Repository
ghcr.io/rtvkiz/minimal-mailpit
Digest
sha256:25881668a054013a9e995eb4bbc9cfd8b82250a6db872d40071a023d37260e54
Built at
2026-11-12T08:07:18Z
Primary package
mailpit
Entrypoint
/usr/bin/mailpit
User
mailpit (65532)
Working dir
/
Architectures
x86_64, aarch64
Environment
PATH=/usr/bin:/binMP_DATABASE=/data/mailpit.dbMP_MAX_MESSAGES=500
Labels
org.opencontainers.image.titleminimal-mailpit
org.opencontainers.image.descriptionHardened shell-less Mailpit (SMTP/email testing) built from source via melange with daily CVE patches
org.opencontainers.image.urlhttps://github.com/rtvkiz/minimal
org.opencontainers.image.sourcehttps://github.com/rtvkiz/minimal/tree/main/images/mailpit
org.opencontainers.image.licensesMIT
TagPullPublished
1 ghcr.io/rtvkiz/minimal-mailpit:1 2026-11-12
1.33 ghcr.io/rtvkiz/minimal-mailpit:1.33 2026-11-12
1.33.1-r0 ghcr.io/rtvkiz/minimal-mailpit:1.33.1-r0 2026-11-12
1.33.1-r0-20261112 ghcr.io/rtvkiz/minimal-mailpit:1.33.1-r0-20261112 2026-11-12
latest ghcr.io/rtvkiz/minimal-mailpit:latest 2026-11-12
1-dev ghcr.io/rtvkiz/minimal-mailpit:1-dev 2026-11-12
1.33-dev ghcr.io/rtvkiz/minimal-mailpit:1.33-dev 2026-11-12
1.33.1-r0-20261112-dev ghcr.io/rtvkiz/minimal-mailpit:1.33.1-r0-20261112-dev 2026-11-12
1.33.1-r0-dev ghcr.io/rtvkiz/minimal-mailpit:1.33.1-r0-dev 2026-11-12
latest-dev ghcr.io/rtvkiz/minimal-mailpit:latest-dev 2026-11-12
1.33.1-r0-20261111-dev ghcr.io/rtvkiz/minimal-mailpit:1.33.1-r0-20261111-dev 2026-11-11
1.33.1-r0-20261111 ghcr.io/rtvkiz/minimal-mailpit:1.33.1-r0-20261111 2026-11-11
1.33.1-r0-20261110 ghcr.io/rtvkiz/minimal-mailpit:1.33.1-r0-20261110 2026-11-10
1.33.1-r0-20261110-dev ghcr.io/rtvkiz/minimal-mailpit:1.33.1-r0-20261110-dev 2026-11-10
1.33.1-r0-20261108 ghcr.io/rtvkiz/minimal-mailpit:1.33.1-r0-20261108 2026-11-08
1.33.1-r0-20261109 ghcr.io/rtvkiz/minimal-mailpit:1.33.1-r0-20261109 2026-11-08
1.33.1-r0-20261108-dev ghcr.io/rtvkiz/minimal-mailpit:1.33.1-r0-20261108-dev 2026-11-08
1.33.1-r0-20261109-dev ghcr.io/rtvkiz/minimal-mailpit:1.33.1-r0-20261109-dev 2026-11-08
1.33.0-r0 ghcr.io/rtvkiz/minimal-mailpit:1.33.0-r0 2026-11-08
1.33.0-r0-20261108 ghcr.io/rtvkiz/minimal-mailpit:1.33.0-r0-20261108 2026-11-08
1.33.0-r0-20261108-dev ghcr.io/rtvkiz/minimal-mailpit:1.33.0-r0-20261108-dev 2026-11-08
1.33.0-r0-dev ghcr.io/rtvkiz/minimal-mailpit:1.33.0-r0-dev 2026-11-08
1.33.0-r0-20261107 ghcr.io/rtvkiz/minimal-mailpit:1.33.0-r0-20261107 2026-11-07
1.33.0-r0-20261107-dev ghcr.io/rtvkiz/minimal-mailpit:1.33.0-r0-20261107-dev 2026-11-07
1.33.0-r0-20261106 ghcr.io/rtvkiz/minimal-mailpit:1.33.0-r0-20261106 2026-11-06
1.33.0-r0-20261106-dev ghcr.io/rtvkiz/minimal-mailpit:1.33.0-r0-20261106-dev 2026-11-06
1.33.0-r0-20261105 ghcr.io/rtvkiz/minimal-mailpit:1.33.0-r0-20261105 2026-11-05
1.33.0-r0-20261105-dev ghcr.io/rtvkiz/minimal-mailpit:1.33.0-r0-20261105-dev 2026-11-05
1.33.0-r0-20261104 ghcr.io/rtvkiz/minimal-mailpit:1.33.0-r0-20261104 2026-11-04
1.33.0-r0-20261104-dev ghcr.io/rtvkiz/minimal-mailpit:1.33.0-r0-20261104-dev 2026-11-04
1.33.0-r0-20261031 ghcr.io/rtvkiz/minimal-mailpit:1.33.0-r0-20261031 2026-10-31
1.33.0-r0-20261031-dev ghcr.io/rtvkiz/minimal-mailpit:1.33.0-r0-20261031-dev 2026-10-31
1.32 ghcr.io/rtvkiz/minimal-mailpit:1.32 2026-10-29
1.32.0-r0 ghcr.io/rtvkiz/minimal-mailpit:1.32.0-r0 2026-10-29
1.32.0-r0-20261029 ghcr.io/rtvkiz/minimal-mailpit:1.32.0-r0-20261029 2026-10-29
1.32-dev ghcr.io/rtvkiz/minimal-mailpit:1.32-dev 2026-10-29
1.32.0-r0-20261029-dev ghcr.io/rtvkiz/minimal-mailpit:1.32.0-r0-20261029-dev 2026-10-29
1.32.0-r0-dev ghcr.io/rtvkiz/minimal-mailpit:1.32.0-r0-dev 2026-10-29
1.32.0-r0-20261027 ghcr.io/rtvkiz/minimal-mailpit:1.32.0-r0-20261027 2026-10-27
1.32.0-r0-20261027-dev ghcr.io/rtvkiz/minimal-mailpit:1.32.0-r0-20261027-dev 2026-10-27
1.32.0-r0-20261026 ghcr.io/rtvkiz/minimal-mailpit:1.32.0-r0-20261026 2026-10-26
1.32.0-r0-20261026-dev ghcr.io/rtvkiz/minimal-mailpit:1.32.0-r0-20261026-dev 2026-10-26
1.32.0-r0-20261025 ghcr.io/rtvkiz/minimal-mailpit:1.32.0-r0-20261025 2026-10-25
1.32.0-r0-20261025-dev ghcr.io/rtvkiz/minimal-mailpit:1.32.0-r0-20261025-dev 2026-10-25
1.32.0-r0-20261024 ghcr.io/rtvkiz/minimal-mailpit:1.32.0-r0-20261024 2026-10-24
1.32.0-r0-20261024-dev ghcr.io/rtvkiz/minimal-mailpit:1.32.0-r0-20261024-dev 2026-10-24
1.32.0-r0-20261023 ghcr.io/rtvkiz/minimal-mailpit:1.32.0-r0-20261023 2026-10-23
1.32.0-r0-20261023-dev ghcr.io/rtvkiz/minimal-mailpit:1.32.0-r0-20261023-dev 2026-10-23
1.31 ghcr.io/rtvkiz/minimal-mailpit:1.31 2026-10-23
1.31.6-r0 ghcr.io/rtvkiz/minimal-mailpit:1.31.6-r0 2026-10-23
1.31.6-r0-20261023 ghcr.io/rtvkiz/minimal-mailpit:1.31.6-r0-20261023 2026-10-23
1.31-dev ghcr.io/rtvkiz/minimal-mailpit:1.31-dev 2026-10-23
1.31.6-r0-20261023-dev ghcr.io/rtvkiz/minimal-mailpit:1.31.6-r0-20261023-dev 2026-10-23
1.31.6-r0-dev ghcr.io/rtvkiz/minimal-mailpit:1.31.6-r0-dev 2026-10-23
1.31.6-r0-20261022 ghcr.io/rtvkiz/minimal-mailpit:1.31.6-r0-20261022 2026-10-22
1.31.6-r0-20261022-dev ghcr.io/rtvkiz/minimal-mailpit:1.31.6-r0-20261022-dev 2026-10-22
1.31.6-r0-20261021 ghcr.io/rtvkiz/minimal-mailpit:1.31.6-r0-20261021 2026-10-21
1.31.6-r0-20261021-dev ghcr.io/rtvkiz/minimal-mailpit:1.31.6-r0-20261021-dev 2026-10-21
1.31.6-r0-20261020 ghcr.io/rtvkiz/minimal-mailpit:1.31.6-r0-20261020 2026-10-20
1.31.6-r0-20261020-dev ghcr.io/rtvkiz/minimal-mailpit:1.31.6-r0-20261020-dev 2026-10-20
1.31.6-r0-20261019 ghcr.io/rtvkiz/minimal-mailpit:1.31.6-r0-20261019 2026-10-19
1.31.6-r0-20261019-dev ghcr.io/rtvkiz/minimal-mailpit:1.31.6-r0-20261019-dev 2026-10-19
1.31.6-r0-20261018 ghcr.io/rtvkiz/minimal-mailpit:1.31.6-r0-20261018 2026-10-18
1.31.6-r0-20261018-dev ghcr.io/rtvkiz/minimal-mailpit:1.31.6-r0-20261018-dev 2026-10-18
1.31.6-r0-20261016 ghcr.io/rtvkiz/minimal-mailpit:1.31.6-r0-20261016 2026-10-16
1.31.6-r0-20261017 ghcr.io/rtvkiz/minimal-mailpit:1.31.6-r0-20261017 2026-10-16
1.31.6-r0-20261016-dev ghcr.io/rtvkiz/minimal-mailpit:1.31.6-r0-20261016-dev 2026-10-16
1.31.6-r0-20261017-dev ghcr.io/rtvkiz/minimal-mailpit:1.31.6-r0-20261017-dev 2026-10-16
1.31.5-r0 ghcr.io/rtvkiz/minimal-mailpit:1.31.5-r0 2026-10-16
1.31.5-r0-20261016 ghcr.io/rtvkiz/minimal-mailpit:1.31.5-r0-20261016 2026-10-16
1.31.5-r0-20261016-dev ghcr.io/rtvkiz/minimal-mailpit:1.31.5-r0-20261016-dev 2026-10-16
1.31.5-r0-dev ghcr.io/rtvkiz/minimal-mailpit:1.31.5-r0-dev 2026-10-16
1.31.6-r0-20261015 ghcr.io/rtvkiz/minimal-mailpit:1.31.6-r0-20261015 2026-10-15
1.31.6-r0-20261015-dev ghcr.io/rtvkiz/minimal-mailpit:1.31.6-r0-20261015-dev 2026-10-15
1.31.5-r0-20261015 ghcr.io/rtvkiz/minimal-mailpit:1.31.5-r0-20261015 2026-10-15
1.31.5-r0-20261015-dev ghcr.io/rtvkiz/minimal-mailpit:1.31.5-r0-20261015-dev 2026-10-15
1.31.5-r0-20261014 ghcr.io/rtvkiz/minimal-mailpit:1.31.5-r0-20261014 2026-10-14
1.31.5-r0-20261014-dev ghcr.io/rtvkiz/minimal-mailpit:1.31.5-r0-20261014-dev 2026-10-14

19 packages in the image, resolved from the SPDX SBOM.

PackageVersionLicense
alpine/ca-certificates20261020MPL-2.0 AND MIT
ca-certificates-bundle20261020-r0MPL-2.0 AND MIT
ca-certificates-bundle20261020-r0(MPL-2.0 AND MIT)
ca-certificates-bundle20261020-r0—
ca-certificates.yaml8061afafa65af5a9026707a8880e14120dd6f4a0Apache-2.0
images/mailpit/melange.yaml862101ee7af52b6dfb7db319fbf7c11793a3d433—
mailpit1.33.1-r0MIT
sha256:339fe3774c8a2124bc25151a2a08aa6aa4bae5299bcda7a7b59bd4c3a55464ab20230201—
sha256:adfe5ef6222b1c426df38dc0af6475c6bd6a02cbe03bb99588f0f2edc9f9bb8asha256:adfe5ef6222b1c426df38dc0af6475c6bd6a02cbe03bb99588f0f2edc9f9bb8a—
tz2026fCC-PDDC
tzdata2026f-r0CC-PDDC
tzdata2026f-r0CC-PDDC
tzdata2026f-r0—
tzdata.yamlb01ceefc114cf44ccb6d35f405795435f98bf0c2Apache-2.0
wolfi20230201—
wolfi-baselayout20230201-r31MIT
wolfi-baselayout20230201-r31MIT
wolfi-baselayout20230201-r31—
wolfi-baselayout.yamled415005c84750f03c4a9252137813734a224ae7Apache-2.0

Clean   No known vulnerabilities in the latest scan.

Everything is verifiable without an account. Copy and run:

Build provenance (SLSA v1.0, Build L2)

gh attestation verify oci://ghcr.io/rtvkiz/minimal-mailpit:latest --owner rtvkiz

Cosign signature

cosign verify \
  --certificate-identity-regexp='https://github.com/rtvkiz/minimal/' \
  --certificate-oidc-issuer='https://token.actions.githubusercontent.com' \
  ghcr.io/rtvkiz/minimal-mailpit:latest

SBOM attestation (SPDX)

cosign verify-attestation --type spdxjson \
  --certificate-identity-regexp='https://github.com/rtvkiz/minimal/' \
  --certificate-oidc-issuer='https://token.actions.githubusercontent.com' \
  ghcr.io/rtvkiz/minimal-mailpit:latest \
  | jq -r '.payload | @base64d | fromjson | .predicate'

Signatures are logged in the public Rekor transparency log.

More Apps images

Weighing this against another provider? The comparison pages publish head-to-head scan data with the raw dataset, including the images where Minimal comes off worse — or read the migration guide for what actually breaks when you switch.