class email.policy.Compat32(**kw) This concrete Policy is the backward compatibility policy. It replicates the

__str__() The str value of the object is the address quoted according to

set_sequences(sequences) Re-define the sequences that exist in the mailbox based upon sequences, a dictionary of names

unlock() Three locking mechanisms are used—dot locking and, if available, the flock() and lockf()

header_max_count(name) Returns the value of the

get_flags() Return a string specifying the flags that are currently set. If the message complies with the conventional format

class mailbox.Babyl(path, factory=None, create=True) A subclass of Mailbox for mailboxes in Babyl format. Parameter

base64.encodebytes(s) base64.encodestring(s) Encode the bytes-like object

__str__() Equivalent to as_string(). Allows str(msg) to produce a string containing the formatted

mimetypes.guess_all_extensions(type, strict=True) Guess the extensions for a file based on its MIME type, given by type