# iRedAPD (Postfix Access Policy Daemon) release notes and upgrade tutorials

!!! note:

    * iRedAPD source code is hosted on [BitBucket](https://bitbucket.org/zhb/iredapd/).
    * Download the [latest iRedAPD stable release](https://bitbucket.org/zhb/iredapd/downloads).
    * If you want to develop your own plugin for iRedAPD, please read document
      [README_PLUGINS.md](https://bitbucket.org/zhb/iredapd/src/default/README_PLUGINS.md) in iRedAPD source code.

## Upgrade iRedAPD

[How to upgrade iRedAPD-1.4.0 or later versions to the latest stable release](./upgrade.iredapd.html)

## Migrate from Cluebringer

If you're looking for migrating from Cluebringer to iRedAPD, please check our
tutorial: [Migrate from Cluebringer to iRedAPD](./cluebringer.to.iredapd.html).

## See also

* Please check [ChangeLog](https://bitbucket.org/zhb/iredapd/src/default/ChangeLog)
  file in iRedAPD source code to check full, detailed changes in each release.