Following are steps to allow users to unjunk email that has been flagged as virus.
On firmware version 9.0.x and older.
1. Select Anti-Virus from the left menu then Inbound on the Settings page.

NOTE: The appliance will strip attachments flagged as Definite Virus. Those attachments cannot be retreived.
3. Apply changes.
On firmware 9.1.x and newer.
1. On the Manage page, select Anti-Virus from the left menu then Inbound on the Settings page.

NOTE: The appliance will strip attachments flagged as Definite Virus. Those attachments cannot be retreived.
3. Apply changes.