GoogleAppScript_DelayedEmail

DelayGmail

function moveDelayedMessages() {
  receiveEmails("Delayed Messages");
  Utilities.sleep(60000);
  reArchive();
}

// receiveEmails() will take all threads in labelname (Default: 'Delayed messages')
// and place them into the mailbox. The intent is for a delayed retrieval of
// messages when combined with a script timer.
function receiveEmails(labelName) {
  var runTime = new Date();
  Logger.log("Merging emails at "+runTime.toLocaleTimeString());

  if (labelName == null) {
  // The default label to divert messages into
    labelName = "Delayed Messages";
  }
  
  // Access the messages under that label
  var label = GmailApp.getUserLabelByName(labelName);
  
  // If the label doesn't exist, then create it
  if (label == null) {
    label = GmailApp.createLabel(labelName);
  }
  
  // Move each thread in this label into the inbox
  var threads = label.getThreads();
  for (var i = 0; i < threads.length; i++)
  {
    var thread = threads[i];
    
    // Remove thread from Delayed Messages label
    thread.removeLabel(label);
    
    // Move to inbox
    thread.moveToInbox();
  }
}

// Place the list of labels here in your search that you already archive so they don't come back to the inbox after moving back the delayed ones!
// I'm sure there's a more advanced and prettier way to do this in the logic for retrieving the "Delayed Messages"labe above. This is quick/dirty.
function reArchive () {

  var rearchivethreads = GmailApp.search('newer_than:4d AND label:nerds OR label:noc OR label:orders OR label:telco-ops OR label:dublin.social OR label:didata OR label:reachability is:unread');

  for (var i = 0; i < rearchivethreads.length; i++) {
    var thread = rearchivethreads[i];
    thread.moveToArchive();
	}
}