> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.airmailapp.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Plugins - Airmail for macOS

Airmail supports various plugins which are documented below:

##### Read Receipts

![](https://storage.crisp.chat/users/helpdesk/website/cda391d2-f5f9-4dc6-bec0-935bb2d9a44e/f632b575-ec88-485d-ae7c-7db781946fa7.png)
Require Airmail 3 VERSION 370 or newer

You can download this plugin from this [link](https://install.appcenter.ms/orgs/airmail-devs-organization/apps/read-receipt-plugin/distribution_groups/all-users-of-read-receipt-plugin).

##### Campaign Monitor 

Using this plugin, you can save contacts from incoming email to a Campaign Monitor subscriber list.

![](https://storage.crisp.chat/users/helpdesk/website/cda391d2-f5f9-4dc6-bec0-935bb2d9a44e/21e944eb-bda3-4fd7-b824-22f52c73724c.png)
Please be aware that Campaign Monitor's [Permission Policy](https://help.campaignmonitor.com/support) requires that you ask for explicit permission to send email newsletters, before you add someone’s email address to a list.

To find out more about what counts as permission and stay on the correct side of their Permission Policy, read [Campaign Monitor’s guide.](https://help.campaignmonitor.com/support)

You can download this plugin from [this link.](http://airmail.s3.amazonaws.com/download/Plugins/CampaignMonitor/CampaignMonitor.zip)

##### MailChimp 
With this plugin you can save your contact to your favourite list.

![](https://storage.crisp.chat/users/helpdesk/website/cda391d2-f5f9-4dc6-bec0-935bb2d9a44e/673392b9-6cf4-48e5-a4c6-bdb7743577cd.png)
You can download this plugin from this [link.](http://airmail.s3.amazonaws.com/download/Plugins/MailChimp/MailChimp.zip)

##### S/MIME

![](https://storage.crisp.chat/users/helpdesk/website/cda391d2-f5f9-4dc6-bec0-935bb2d9a44e/dc98bb11-7b58-480c-8e76-37c08817feba.png)
You can download this plugin from [this link](https://install.appcenter.ms/orgs/airmail-devs-organization/apps/airmail-s-mime/distribution_groups/all-users-of-airmail-s-mime). Please note that this is in Beta plugin form and not a part of Airmail app.

##### GPG-PGP

This is a Plugin that can encrypt and decrypt the messages. Please note that this is an open source plugin developed for Airmail.

![](https://storage.crisp.chat/users/helpdesk/website/cda391d2-f5f9-4dc6-bec0-935bb2d9a44e/4f1d1a5d-3459-4a48-9a1e-452cf7b5acdc.png)
You can download the plugin from [this link.](https://install.appcenter.ms/orgs/airmail-devs-organization/apps/airmail-gpg-plugin/distribution_groups/all-users-of-airmail-gpg-plugin)


##### Airmail Plug-In Framework 1.0

If you are a developer and have an interest in developing a Plug-in for Airmail, we would like to extend this opportunity to you. The SDK is still under development, so feel free to change it as you feel necessary.

**Links:**

[Airmail Plugin SDK on Github Support](https://github.com/Airmail/AirmailPlugIn-Framework)


##### How to Install any plugin with Airmail app?

1. Download the Plugin and unzipp it on the desktop.

2. Open the Airmail app, go to the top menu bar and click on Window

3. Cick on the Show Plugin Folder.

4. Drag the unzipped plugin file from the desktop and drop it in the Airmail Plugin folder.

5. Restart the Airmail app and open the Plugins from Window option.

6. You'll see the plugin there, enable it and close the Plugin window.