Mail Receipt is a Mac OS X application which is adds two button to composing window for delivery notification and read receipt requests.

Latest supported version is macOS Catalina Mail 13.0 (3594.4.19)

1. To allow bundle plugins in Mail.app type in terminal:

   defaults write com.apple.mail EnableBundles -bool true

2. Download https://www.dropbox.com/s/u8lf7ypaq69ayvz/MailReceipt-0.6.0.pkg?dl=0

3. Enabling MailReceipt plugin in Mail.app

   • Go to "Mail > Preferences > General"
   • Click "Manage Plug-ins" button
   • Check mark the "MailReceipt.mailbundle"
   • Click "Apply and Restart Mail.app" button

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