Creates a new Mail::Internet object. arg is optional and may be either a file descriptor (a reference to a glob) or a reference to an array. If present, the new object is initialized with headers either from the array or read from the file descriptor. options is a list of options in the form of key/value pairs. Possible options are:
Mail::Internet should not attempt to read a mail header from arg, if it was specified. Value is a Mail::Header object.
Mail::Internet should attempt to read the body from arg, if it was specified. Value is a reference to an array that contains the lines of the message body.
Reformats the headers if true. Mail::Header option.
Specifies behavior for headers
in the form "
From ". Mail::Header option. Possible values are:
Ignores and discards the headers.
Renames headers to
Keeps headers as they are.
Value is default line length for folding headers. Mail::Header option.