Configuring SMTP to Deliver One-Time Passwords
If the email addresses to which you want to deliver one-time passwords are in an external domain (such as SMS
addresses or external web mail addresses), you must configure your SMTP server to allow passwords to be sent
from the appliance to the external domain.
To configure Microsoft Exchange to support one-time passwords
Navigate to Exchange System Manager.
Expand Servers > Protocols > SMTP.
Right-click on either Default SMTP Virtual Server or the appropriate SMTP server instance.
Select the Access tab.
Click Relay in the Relay Restrictions area.
Select Only the list below.
Enter the IP address of your SMA appliance (for example,
Your appliance should be listed with a status Access Granted.
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