does anybody know how to send a new mail using python-mapi with zarafa?

I can successfully access the inbox using python-mapi and list messages, but i can't found any tutorial helping me to find out the correct syntax.
(sending mails with and without file attachments)

And additionally, in a second challenge i need to read current events whitin a time range from now to 7 days, from personal calendar.

I would be very pleased, if somebody could send me some example scripts or post the correct syntax.

Thanks in advance