It's not exactly the same as the function you define, but using Google Apps Script you can get a Snooze function pretty easily: http://googleappsdeveloper.blogs

It's not exactly the same as the function you define, but using Google Apps Script you can get a Snooze function pretty easily: http://googleappsdeveloper.blogspot.com/2011/07/gmail-snooze-with-apps-script.html http://googleappsdeveloper.blogspot.com/2011/07/gmail-snooze... With less than an hour of work, I bet you can modify the script to make exactly what you want. Actually, it seems that most of Boomerang's functionalities could be substituted for free with a couple of Google Apps Scripts.