A Google Scripts Web App to dynamicaly generate an RSS feed based on labeled emails (RSS Feed/<RSS_FEED_NAME>)

• Create a blank project on https://script.google.com/
• Copy content of Code.gs into your new project
• Run the script once by clicking Menu Run > doGet
  • You will be asked to grant this script access to your Gmail account
  • Accept the request
• Create a first version by clicking Menu File > Manage Versions
• Deploy this script by clicking Menu Publish > Deploy as web app
  • Select Execute the app as : me
  • Select Who has access to the app : Anonyone, even anonymous
  • Copy Current web app URL e.g. https://script.google.com/macros/s/<SCRIPT_ID>/exec
  • ⚠️ Everyone with this URL is potentialy able to read all mails labled with RSS Feed/<RSS_FEED_NAME>
• Label your first emails with a nested RSS label (RSS Feed/<RSS_FEED_NAME>) e.g. RSS Feed/Newsletter
• Create your feed URL by add following query parameters to Current web app URL
  • gmail-rss-feed=<RSS_FEED_NAME> selects rss feed name of coresponding Gmail label (RSS Feed/<RSS_FEED_NAME>)
  • multi-author enables author name to be prepand to feed item titles
  • Example URL https://script.google.com/macros/s/<SCRIPT_ID>/exec?gmail-rss-feed=Newsletter&multi-author