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Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.
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Moritz Poldrack 1f07f39d87
fix: ensure message content is not modified by header filter 
Due to an oversight, one of the header filters has potentially modified
the message body, leading to broken cryptographic signatures.

Switch to the Message-Id instead of the Content-Type header, which is
usually only present in the global header.

Signed-off-by: Moritz Poldrack <git@moritz.sh>
Reported-by: Cole Young <cole@young.sh>
Fixes: 009237cc ("chore: Prevent Microsoft MUAs from sending reactions (#4120)")
 		2025-03-23 10:58:50 +01:00
.github chore(deps): Bump docker/setup-qemu-action from 3.4.0 to 3.6.0 (#4392) 2025-03-03 21:58:58 +01:00
config-examples breaking: Refactor `getmail` support (#4156) 2024-08-17 12:14:59 +02:00
demo-setups release: v15.0.0 (#4373) 2025-03-01 12:14:57 +00:00
docs chore: Gender-neutral language (#4421) 2025-03-18 19:08:56 +01:00
target fix: ensure message content is not modified by header filter 2025-03-23 10:58:50 +01:00
test fix: Avoid alias being used as regex during dovecot dummy account userdb detection (#4222) 2024-10-12 11:34:20 +13:00
.dockerignore chore: remove `VERSION` file (#4321) 2025-01-19 01:27:07 +01:00
.editorconfig ci(fix): Normalize for `.gitattributes` + improve `eclint` coverage (#3566) 2023-10-04 12:53:32 +02:00
.gitattributes ci: Remove CONTRIBUTORS.md (#4141) 2024-07-31 09:04:51 +02:00
.gitignore feat: Auth - OAuth2 (Dovecot PassDB) (#3480) 2024-01-13 09:45:14 +13:00
.gitmodules removal: configomat (submodule) (#3045) 2023-02-05 12:39:05 +01:00
CHANGELOG.md release: v15.0.1 (#4423) 2025-03-23 01:27:47 +01:00
CODE_OF_CONDUCT.md docs(fix): Update wiki references to the new docs url 2021-03-25 11:49:24 +13:00
Dockerfile chore: Migrate dovecot config from Dockerfile (#4350) 2025-02-12 11:56:51 +13:00
LICENSE Final Migration Step (#6) 2021-01-16 10:16:05 +01:00
Makefile ci: add `run-local-instance` target to `Makefile` (#3663) 2023-12-04 10:28:40 +13:00
README.md Revert "fix: fix incorrect link in README.md (#4184)" (#4322) 2025-01-19 09:26:07 +13:00
SECURITY.md ci/docs: add vulnerability scanning workflow & security policy (#3106) 2023-02-23 08:53:12 +01:00
compose.yaml chore: Remove base-60 port quote warning from example `compose.yaml` (#3982) 2024-04-21 23:28:11 +00:00
mailserver.env chore: Gender-neutral language (#4421) 2025-03-18 19:08:56 +01:00
setup.sh Change 'while' style (#3365) 2023-05-26 01:39:39 +02:00

README.md

Docker Mailserver

ci::status docker::pulls documentation::badge

📃 About

A production-ready fullstack but simple containerized mail server (SMTP, IMAP, LDAP, Anti-spam, Anti-virus, etc.).

  • Only configuration files, no SQL database. Keep it simple and versioned. Easy to deploy and upgrade.
  • Originally created by @tomav, this project is now maintained by volunteers since January 2021.

[!TIP] Be sure to read our documentation. It provides guidance on initial setup of your mail server.

[!IMPORTANT] If you have issues, please search through the documentation for your version before opening an issue.

The issue tracker is for issues, not for personal support.
Make sure the version of the documentation matches the image version you're using!

🔗 Links to Useful Resources

  1. FAQ
  2. Usage
  3. Examples
  4. Issues and Contributing
  5. Release Notes
  6. Environment Variables
  7. Updating

📦 Included Services