TIdEMailAddressList is a TOwnedCollection descendant that contains a list of E-Mail addresses, or TIdEMailAddressItem object instances. TIdEMailAddressList allows Items to be added or maintained in the collection, and can be used to access the list as a TString value or in a comma delimited form which is used in many E-Mail messages.
TIdEMailAddressList is the type used to represent TIdMessage properties that can accept one or more EMail addresses, like Receipients, CCList, and BCCList.