How to use the Google Email Settings API and the OAuth2 for Apps Script Library to set email signatures for users in a Google Apps domain
问题 This is my first time using the "Answer your own question" feature. I hope I'm doing this right. My Title triggered a warning that my question looks subjective and will probably be deleted. I searched the site and didn't find any questions that matched the level of detail that I put into my response below, so I'm just trying to help out some fellow programmers by posting this. As the administrator of a Google Apps domain, how do you use the Google Email Settings API with OAuth 2 to