I have entered the domains I want to allow when no email address is found, but it keeps ignoring all emails. This is the setup I have:
Allow user when E-mail address not found:
Yes
No
X For these domains:
countyofcolusa.com,countyofcolusa.org,ccsheriff.com,colusadhhs.org,colusasheriff.com
Someone who sends an email to the helpdesk from say the countyofcolusa.com email domain has their email moved to the Ignore folder.