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@github-actions github-actions released this 01 Oct 08:26
· 14 commits to main since this release
v0.2.1
5ec1bee

0.2.1 (2026-10-01)

Docker image

ghcr.io/wenisch-tech/smtp2x:0.2.1
ghcr.io/wenisch-tech/smtp2x@sha256:8bb5e45927ce2f90f339fd1828c71003b298bcdc29fd90b33ae5ce00934a71e2

Helm chart

helm install smtp2x oci://ghcr.io/wenisch-tech/helm-charts/smtp2x --version 0.2.1

SBOM

CycloneDX JSON and XML SBOMs are attached as smtp2x-0.2.1-sbom.json and smtp2x-0.2.1-sbom.xml.

Signature and attestation verification

The image and release artifacts are signed keylessly with Sigstore Cosign. The container also has GitHub build provenance attached.

Verify the image signature:

cosign verify ghcr.io/wenisch-tech/smtp2x@sha256:8bb5e45927ce2f90f339fd1828c71003b298bcdc29fd90b33ae5ce00934a71e2 \
  --certificate-identity-regexp="https://github.com/wenisch-tech/SMTP2X" \
  --certificate-oidc-issuer="https://token.actions.githubusercontent.com"

Verify the build provenance:

gh attestation verify oci://ghcr.io/wenisch-tech/smtp2x@sha256:8bb5e45927ce2f90f339fd1828c71003b298bcdc29fd90b33ae5ce00934a71e2 \
  --repo wenisch-tech/SMTP2X

Verify the Helm chart signature after downloading the chart and its .cosign.bundle from this release:

cosign verify-blob smtp2x-0.2.1.tgz \
  --bundle smtp2x-0.2.1.tgz.cosign.bundle \
  --certificate-identity-regexp="https://github.com/wenisch-tech/SMTP2X" \
  --certificate-oidc-issuer="https://token.actions.githubusercontent.com"

Verify the application JAR in the same way:

cosign verify-blob smtp2x-0.2.1.jar \
  --bundle smtp2x-0.2.1.jar.cosign.bundle \
  --certificate-identity-regexp="https://github.com/wenisch-tech/SMTP2X" \
  --certificate-oidc-issuer="https://token.actions.githubusercontent.com"
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