Adding a SPF record to your DNS can help prevent email spoofing of your domain.
If your organization only sends messages from SmarterMail then add the following TXT record for the domain:
v=spf1 mx -all
This setting is for Smartermail customers who use TOAST.net servers to send. The setting won't work for people who use Google or other mail systems.
Article ID: 546, Created: April 28, 2016 at 2:52 PM, Modified: January 21 at 9:57 AM