EmailDLL Online Manual
Purpose: Add one or more recipients to the Blind Carbon Copies list.
Handle: The unique ID identifying the email object
Operator: val_AddBCC = 7
Data: one or more email addresses for the Blind Carbon Copy list
Returns: Success or Error Status
This operator is used to add one or more Blind Carbon Copy recipients to the list of people receiving the email. The addresses are applied to the email BCC: field. The Data argument must meet the requirements for standard email address syntax .
You may use this operator as many times as necessary to add all the intended Blind Carbon Copy recipients.