Just simply put the tags into two separate folders, one for project 1 and one for project 2. Your can have one notification group for project 1 folder and one for project 2 folder. Each group can have their own set of contacts to send emails to.
Just simply put the tags into two separate folders, one for project 1 and one for project 2. Your can have one notification group for project 1 folder and one for project 2 folder. Each group can have their own set of contacts to send emails to.