Indicates if Message-ID header should be set to a new unique value and added to the message at the moment of sending or submitting to the pickup folder.
true if a new unique Message-ID should be added to the message at the moment of sending or submitting to the pickup folder; otherwise, false. The default value is true.
MessageBuilderConfig object cannot be used on its own. To access its members, the developer should use MailMessage.Builder property.
MessageBuilderConfig Class | MailBee.Mime Namespace | MessageID