Extracts body text from an mbox message.
    :param message: Mbox message
    :return: String

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