There are two ways to email all the donors, methods A or B:
A. Update Donors
1a. Login to your account
2a. Go to your campaign page
3a. Click on the Update Donors button
4a. An "Add Update" screen will pop up. Fill in the required Type, Title and Body text. Then check off Send Update Email on the bottom.
5a. Click the green Add Update button on the bottom once complete.
B. Email Individual Donors
1b. Click on the Donors tab.
2b. Under the Email section, you will find each individual donors email.