GitHub / Mailu / Mailu
Insular email distribution - mail server as Docker images
JSON API: http://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Mailu%2FMailu
PURL: pkg:github/Mailu/Mailu
Stars: 6,736
Forks: 927
Open issues: 125
License: other
Language: Python
Size: 8.56 MB
Dependencies parsed at: Pending
Created at: over 9 years ago
Updated at: 13 days ago
Pushed at: 13 days ago
Last synced at: 13 days ago
Topics: dkim, dmarc, docker, docker-compose, email, fetchmail, imap, letsencrypt, mail, mailserver, pop3, smtp, webmail
Funding Links https://funding.communitybridge.org/projects/mailu
OpenSSF Scorecard report
4.2
Overall Score
10/10 Critical Risk
22/50 High Risk
3/40 Medium Risk
9/20 Low Risk
Generated on August 11, 2025
| Scorecard vv5.2.1-40-gf6ed084d
Security Checks
all changesets reviewed
Determines if the project requires human code review before pull requests (aka merge requests) are merged.
no dangerous workflow patterns detected
Determines if the project's GitHub Action workflows avoid dangerous patterns.
binaries present in source code
Determines if the project has generated executable (binary) artifacts in the source repository.
Show details
⚠️
Warn: binary detected: tests/compose/filters/PotentiallyUnwanted.exe_:1
license file detected
Determines if the project has defined a license.
Show details
ℹ️
Info: project has a license file: LICENSE.md:0
⚠️
Warn: project license file does not contain an FSF or OSI license.
4 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 3
Determines if the project is "actively maintained".
security policy file detected
Determines if the project has published a security policy.
Show details
ℹ️
Info: security policy file detected: SECURITY.md:1
⚠️
Warn: no linked content found
⚠️
Warn: One or no descriptive hints of disclosure, vulnerability, and/or timelines in security policy
ℹ️
Info: Found text in security policy: SECURITY.md:1
no effort to earn an OpenSSF best practices badge detected
Determines if the project has an OpenSSF (formerly CII) Best Practices Badge.
project is not fuzzed
Determines if the project uses fuzzing.
Show details
⚠️
Warn: no fuzzer integrations found
dependency not pinned by hash detected -- score normalized to 0
Determines if the project has declared and pinned the dependencies of its build process.
Show details
ℹ️
Info: Possibly incomplete results: error parsing shell code: expansions not allowed in heredoc words: .github/workflows/build_test_deploy.yml:578
⚠️
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:117: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:126: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:127: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:129: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:132: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:151: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:192: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:201: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:202: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:205: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:225: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:269: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:278: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:279: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:281: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:284: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:303: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:347: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:356: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:357: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:360: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:380: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:430: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:439: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:440: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:442: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:444: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:451: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:479: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:488: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:489: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:491: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:493: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:500: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:542: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:548: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:600: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/build_test_deploy.yml:95: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/build_test_deploy.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/lock-closed-issues.yml:22: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/lock-closed-issues.yml/master?enable=pin
⚠️
Warn: third-party GitHubAction not pinned by hash: .github/workflows/mirror.yml:22: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/mirror.yml/master?enable=pin
⚠️
Warn: GitHub-owned GitHubAction not pinned by hash: .github/workflows/multiarch.yml:32: update your workflow using https://app.stepsecurity.io/secureworkflow/Mailu/Mailu/multiarch.yml/master?enable=pin
⚠️
Warn: containerImage not pinned by hash: core/admin/Dockerfile:4
⚠️
Warn: containerImage not pinned by hash: core/admin/assets/Dockerfile:3: pin your Docker image by updating node:21-alpine3.18 to node:21-alpine3.18@sha256:7d4f2d7c22e5a9e08aad96880b5862eae2a38b4283443b74a991a01d59ca072b
⚠️
Warn: containerImage not pinned by hash: core/base/Dockerfile:7
⚠️
Warn: containerImage not pinned by hash: core/base/Dockerfile:27
⚠️
Warn: containerImage not pinned by hash: core/base/Dockerfile:74
⚠️
Warn: containerImage not pinned by hash: core/dovecot/Dockerfile:4
⚠️
Warn: containerImage not pinned by hash: core/nginx/Dockerfile:4
⚠️
Warn: containerImage not pinned by hash: core/nginx/Dockerfile:14
⚠️
Warn: containerImage not pinned by hash: core/none/Dockerfile:4
⚠️
Warn: containerImage not pinned by hash: core/oletools/Dockerfile:4
⚠️
Warn: containerImage not pinned by hash: core/postfix/Dockerfile:4
⚠️
Warn: containerImage not pinned by hash: core/rspamd/Dockerfile:4
⚠️
Warn: containerImage not pinned by hash: docs/Dockerfile:2
⚠️
Warn: containerImage not pinned by hash: docs/Dockerfile:28: pin your Docker image by updating nginx:1.25.5-alpine to nginx:1.25.5-alpine@sha256:516475cc129da42866742567714ddc681e5eed7b9ee0b9e9c015e464b4221a00
⚠️
Warn: containerImage not pinned by hash: optional/fetchmail/Dockerfile:4
⚠️
Warn: containerImage not pinned by hash: optional/radicale/Dockerfile:4
⚠️
Warn: containerImage not pinned by hash: optional/traefik-certdumper/Dockerfile:4: pin your Docker image by updating ldez/traefik-certs-dumper to ldez/traefik-certs-dumper@sha256:fcf105172378d14dc93d17169adf70bf75088625c2775daa5d4ce1ff42baf258
⚠️
Warn: containerImage not pinned by hash: optional/unbound/Dockerfile:4
⚠️
Warn: containerImage not pinned by hash: setup/Dockerfile:4
⚠️
Warn: containerImage not pinned by hash: webmails/Dockerfile:3
⚠️
Warn: npmCommand not pinned by hash: core/admin/assets/Dockerfile:9-18
⚠️
Warn: pipCommand not pinned by hash: core/base/Dockerfile:54-71
⚠️
Warn: pipCommand not pinned by hash: docs/Dockerfile:10-24
⚠️
Warn: pipCommand not pinned by hash: .github/workflows/build_test_deploy.yml:456
⚠️
Warn: downloadThenRun not pinned by hash: .github/workflows/mirror.yml:35
ℹ️
Info: 0 out of 9 GitHub-owned GitHubAction dependencies pinned
ℹ️
Info: 0 out of 32 third-party GitHubAction dependencies pinned
ℹ️
Info: 0 out of 1 downloadThenRun dependencies pinned
ℹ️
Info: 0 out of 20 containerImage dependencies pinned
ℹ️
Info: 0 out of 1 npmCommand dependencies pinned
ℹ️
Info: 0 out of 3 pipCommand dependencies pinned
SAST tool is not run on all commits -- score normalized to 0
Determines if the project uses static code analysis.
Show details
⚠️
Warn: 0 commits out of 30 are checked with a SAST tool
detected GitHub workflow tokens with excessive permissions
Determines if the project's workflows follow the principle of least privilege.
Show details
ℹ️
Info: jobLevel 'contents' permission set to 'read': .github/workflows/build_test_deploy.yml:114
⚠️
Warn: jobLevel 'packages' permission set to 'write': .github/workflows/build_test_deploy.yml:115
ℹ️
Info: jobLevel 'contents' permission set to 'read': .github/workflows/build_test_deploy.yml:189
⚠️
Warn: jobLevel 'packages' permission set to 'write': .github/workflows/build_test_deploy.yml:190
ℹ️
Info: jobLevel 'contents' permission set to 'read': .github/workflows/build_test_deploy.yml:266
⚠️
Warn: jobLevel 'packages' permission set to 'write': .github/workflows/build_test_deploy.yml:267
ℹ️
Info: jobLevel 'contents' permission set to 'read': .github/workflows/build_test_deploy.yml:344
⚠️
Warn: jobLevel 'packages' permission set to 'write': .github/workflows/build_test_deploy.yml:345
ℹ️
Info: jobLevel 'contents' permission set to 'read': .github/workflows/build_test_deploy.yml:414
ℹ️
Info: jobLevel 'packages' permission set to 'read': .github/workflows/build_test_deploy.yml:415
⚠️
Warn: no topLevel permission defined: .github/workflows/build_test_deploy.yml:1
⚠️
Warn: no topLevel permission defined: .github/workflows/mirror.yml:1
⚠️
Warn: no topLevel permission defined: .github/workflows/multiarch.yml:1
54 existing vulnerabilities detected
Determines if the project has open, known unfixed vulnerabilities.
Show details
⚠️
Warn: Project is vulnerable to: PYSEC-2025-49 / GHSA-5rjg-fvgr-3xxf
⚠️
Warn: Project is vulnerable to: GHSA-cx63-2mw6-8hw5
⚠️
Warn: Project is vulnerable to: PYSEC-2021-421 / GHSA-h4m5-qpfp-3mpv
⚠️
Warn: Project is vulnerable to: GHSA-3rq5-2g8h-59hc
⚠️
Warn: Project is vulnerable to: PYSEC-2018-66 / GHSA-562c-5r94-xh97
⚠️
Warn: Project is vulnerable to: PYSEC-2019-179 / GHSA-5wv5-4vpf-pj6m
⚠️
Warn: Project is vulnerable to: PYSEC-2023-62 / GHSA-m2qf-hxjv-5gpq
⚠️
Warn: Project is vulnerable to: PYSEC-2021-325 / GHSA-3q6g-vf58-7m4g
⚠️
Warn: Project is vulnerable to: PYSEC-2018-55 / GHSA-32pc-xphx-q4f6
⚠️
Warn: Project is vulnerable to: GHSA-hc5x-x2vx-497g
⚠️
Warn: Project is vulnerable to: GHSA-w3h3-4rj7-4ph4
⚠️
Warn: Project is vulnerable to: GHSA-jjg7-2v4v-x38h
⚠️
Warn: Project is vulnerable to: PYSEC-2018-67 / GHSA-9q2p-fj49-vpxj
⚠️
Warn: Project is vulnerable to: GHSA-2cf3-g243-hhfx
⚠️
Warn: Project is vulnerable to: GHSA-hgjp-83m4-h4fj
⚠️
Warn: Project is vulnerable to: PYSEC-2020-174 / GHSA-h92m-42h4-82f6
⚠️
Warn: Project is vulnerable to: PYSEC-2023-117 / GHSA-mrwq-x4v8-fh7p
⚠️
Warn: Project is vulnerable to: PYSEC-2021-142 / GHSA-8q59-q68h-6hv4
⚠️
Warn: Project is vulnerable to: PYSEC-2018-49 / GHSA-rprw-h62v-c2w7
⚠️
Warn: Project is vulnerable to: PYSEC-2016-37 / GHSA-6w8c-6jrg-qwj2
⚠️
Warn: Project is vulnerable to: GHSA-84cw-mxhv-qvv4
⚠️
Warn: Project is vulnerable to: PYSEC-2016-36 / GHSA-fgqv-96v9-w23m
⚠️
Warn: Project is vulnerable to: PYSEC-2017-102 / GHSA-rpv4-63g3-9x23
⚠️
Warn: Project is vulnerable to: PYSEC-2014-14 / GHSA-652x-xj99-gmcc
⚠️
Warn: Project is vulnerable to: GHSA-9hjg-9r4m-mvj7
⚠️
Warn: Project is vulnerable to: GHSA-9wx4-h78v-vm56
⚠️
Warn: Project is vulnerable to: PYSEC-2014-13 / GHSA-cfj3-7x9c-4p3h
⚠️
Warn: Project is vulnerable to: PYSEC-2018-28 / GHSA-x84v-xcm2-53pg
⚠️
Warn: Project is vulnerable to: PYSEC-2019-124 / GHSA-38fc-9xqv-7f7q
⚠️
Warn: Project is vulnerable to: PYSEC-2019-123 / GHSA-887w-45rq-vxgf
⚠️
Warn: Project is vulnerable to: PYSEC-2012-9 / GHSA-hfg2-wf6j-x53p
⚠️
Warn: Project is vulnerable to: GHSA-2g68-c3qc-8985
⚠️
Warn: Project is vulnerable to: PYSEC-2020-157 / GHSA-3p3h-qghp-hvh2
⚠️
Warn: Project is vulnerable to: GHSA-f9vj-2wh5-fj8j
⚠️
Warn: Project is vulnerable to: PYSEC-2019-140 / GHSA-gq9m-qvpx-68hc
⚠️
Warn: Project is vulnerable to: PYSEC-2017-43 / GHSA-h2fp-xgx6-xh6f
⚠️
Warn: Project is vulnerable to: PYSEC-2023-221 / GHSA-hrfv-mqp8-q5rw
⚠️
Warn: Project is vulnerable to: GHSA-j544-7q9p-6xp8
⚠️
Warn: Project is vulnerable to: PYSEC-2023-57 / GHSA-px8h-6qxv-m22q
⚠️
Warn: Project is vulnerable to: GHSA-q34m-jh98-gwm2
⚠️
Warn: Project is vulnerable to: PYSEC-2023-58 / GHSA-xg9f-g7g7-2323
⚠️
Warn: Project is vulnerable to: PYSEC-2022-203
⚠️
Warn: Project is vulnerable to: GHSA-8495-4g3g-x7pr
⚠️
Warn: Project is vulnerable to: GHSA-9548-qrrj-x5pj
⚠️
Warn: Project is vulnerable to: PYSEC-2024-230 / GHSA-248v-346w-9cwc
⚠️
Warn: Project is vulnerable to: GHSA-79v4-65xg-pq4g
⚠️
Warn: Project is vulnerable to: GHSA-h4gh-qq45-vh27
⚠️
Warn: Project is vulnerable to: GHSA-cpwx-vrp4-4pq7
⚠️
Warn: Project is vulnerable to: GHSA-gmj6-6f8f-6699
⚠️
Warn: Project is vulnerable to: GHSA-q2x7-8rv6-6q7h
⚠️
Warn: Project is vulnerable to: GHSA-5qpg-rh4j-qp35
⚠️
Warn: Project is vulnerable to: GHSA-34jh-p97f-mpxf
⚠️
Warn: Project is vulnerable to: GHSA-48p4-8xcf-vxj5
⚠️
Warn: Project is vulnerable to: GHSA-pq67-6m6q-mj2v
internal error: error during branchesHandler.setup: internal error: githubv4.Query: Resource not accessible by integration
Determines if the default and release branches are protected with GitHub's branch protection settings.
packaging workflow not detected
Determines if the project is published as a package that others can easily download, install, easily update, and uninstall.
Show details
⚠️
Warn: no GitHub/GitLab publishing workflow detected.