Try Gmail’s canned responses for repetitive emails

If you need to send a group of emails with some similar chunks of information, try using canned responses (click on the canned responses link at the following location): https://sites.google.com/a/googleapps.com/google-apps-learning-center-v4/gmailvids

You might find lots of other useful tips and tutorials at the Google Apps Learning Center: https://sites.google.com/a/googleapps.com/google-apps-learning-center-v4/