Signing in to Mailstream On Demand
You need to sign in in order to use the system.
Products affected: Mailstream On Demand
You need to sign in in order to use the system.
- Go to the signin page.
- Enter your email address and password.
- Select Sign In.
- When you sign in for the first time, you will be prompted to verify with email authentication:
- Select Send me the code. A code will be sent to your registered email address.
- Enter the Verification code you receive.
- Select Verify.
- A verification code will be sent to the last method you used (email or SMS). To use a different method, select the drop-down arrow and choose the other method.
Multi-factor authentication will remember your device for 30 days. After 30 days you will be required to authenticate again.
UPDATED: March 30, 2026