bcc

The value of "Bcc" option(string)

cc

The value of "Cc" option(string)

code

The result code(string)

contents

The value of "Content" option(string)

filename

The value of "Attach files" option(string)

from

The value of "To" option(string)

sendto

The value of "Sender" option(string)

title

The value of "Subject" option(string)