The filter defines a list of recipient e-mail domains to apply a policy below.
List items should be divided by ‘;’ character, spaces are ignored.
If distribution recipient list matches filter condition, it must be either sent as a regular e-mail or as Thru email, depending on the value of parameter RecipientDomainFilterMode specified below.
Filter is active if RecipientDomainFilterList has non-empty value.
Preset value: empty string