Python-сообщество

def get_from(email_string):
    import email
    from email import header
    p = email.Parser.Parser()
    msg = p.parsestr(email_string)
    #topic = (header.decode_header(msg.get("From")))[0][0]
    return ((header.decode_header(msg.get("From")))[0][0])

"=?KOI8-R?Q?=EB=CF=CC=CC=C5=CB=D4=C9=D7_Google_Mail?=" <mail-noreply@google.com>

email.utils.getaddresses