make it possible to disable metainformation
as mentioned in #296 (closed) it would be great if it was possible to disable the inclusion of meta information in the header of schleuder mails, as it is possible with fields like From, To, CC and Date
as mentioned in #296 (closed) it would be great if it was possible to disable the inclusion of meta information in the header of schleuder mails, as it is possible with fields like From, To, CC and Date