def get_body(message):
    """
    Extracts body text from an mbox message.
    :param message: Mbox message
    :return: String
    """
    try:
        sm = str(message)
        body_start = sm.find('iamunique', sm.find('iamunique') + 1)
        body_start = sm.find('Content-Transfer-Encoding', body_start + 1)
        body_start = sm.find('\n', body_start + 1) + 1
        body_end = sm.find('From: ', body_start + 1)
        if body_end == -1:
            body_end = sm.find('iamunique', body_start + 1)
            body_end = sm.find('\n', body_end - 25)
        body = sm[body_start:body_end]
        body = body.replace('=20\n', '')
        body = body.replace('=FC', 'ü')
        body = body.replace('=F6', 'ö')
        body = body.replace('=84', '"')
        body = body.replace('=94', '"')
        body = body.replace('=96', '-')
        body = body.replace('=92', "'")
        body = body.replace('=93', '"')
        body = body.replace('=E4', 'ä')
        body = body.replace('=DF', 'ss')
        body = body.replace('=', '')
        body = body.replace('"', '')
        body = body.replace("'", '')
    except:
        body = None
    return body
