WHITELIST
Mimecast >> Administration >> Gateway >> Profile Groups >> Permitted Senders >> Build >> Add Email Domain or Add Email Addresses >> Add Domain or eMail address >> Save and Exit
example: mirvie.com
PAN >> Objects >> Custom Objects >> URL Category >> MFAllowList
Add 2 lines for the domain.As Below
example: *.mirvie.com and mirvie.com/
ok and then Commit
Umbrella/Open DNS >> Policies >> Policy Components >> Destination Lists >> Global Allow List >> Destinations on this list will be Allowed>> Add >> Save
example: mirvie.com
BLOCK
Mimecast >> Administration >> Gateway >> Profile Groups >> Blocked Senders Build >> Add Email Domain or Add Email Addresses >> Add Domain or eMail address >> Save and Exit
example: mirvie.com
PAN >> Objects >> Custom Objects >> URL Category >> MFBlockList
Add 1 line for the domain. As Below
example: *. mirvie.com
ok and then Commit
Umbrella/Open DNS>> Policies >> Policy Components >> Destination Lists >> Global Block List >> Under Destinations on this list will be BLOCKED >>Add >> Save
example: mirvie.com