Question : How to change the from field on auto-generated SharePoint emails.

Is this possible?  How do you do it?  Can it be library and "team site" specific?

Answer : How to change the from field on auto-generated SharePoint emails.

No, you use visual studio.

Here is an example to give you some idea: http://www.c-sharpcorner.com/UploadFile/Chandresh.P/EventHandler04292009070324AM/EventHandler.aspx