set_payload(payload, charset=None) Set the entire message object’s payload to payload. It is the client’s responsibility

get_info() Return a string containing the “info” for a message. This is useful for accessing and modifying “info” that is experimental

get_unixfrom() Return the message’s envelope header. Defaults to None if the envelope header was never set.

addr_spec The username@domain portion of the address, correctly quoted for use as a bare address (the second form

email.utils.collapse_rfc2231_value(value, errors='replace', fallback_charset='us-ascii') When a header parameter is encoded

base64.encodestring(s) Encode the bytes-like object s, which can contain arbitrary

email.utils.quote(str) Return a new string with backslashes in str replaced by two backslashes, and double quotes replaced

preamble The format of a MIME document allows for some text between the blank line following the headers, and the first multipart

subtype

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