InternetMailMessage.SetField
Syntax:
Parameters:
<FieldName> (required)
Name of the field placed to the main title of a message. Name can only consist of printable ASCII characters (i.e. characters from 33 to 126, inclusive), with the exception of "colon" (":"). This range includes all English alphabet (both lower and upper case) and several special characters.
<FieldValue> (required)
Value of the field being added.
<EncodingMethod> (optional)
Method of encoding the field in the title. If this parameter is not set, the value of NonASCIISymbolsEncodingMode property will be used.
Description:
Availability:
Note: