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.

  1. Go to the signin page.
  2. Enter your email address and password.
  3. Select Sign In.
  4. When you sign in for the first time, you will be prompted to verify with email authentication:
    1. Select Send me the code. A code will be sent to your registered email address.
    2. Enter the Verification code you receive.
    3. Select Verify.
    4. 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