import re


def is_bad_address(address):
    """Returns if the address is someone we don't want to email, namely mailer
    daemons, postmasters, noreply addresses, etc.
    We don't want to email other bots!"""
    regex = "mailer.*daemon|post.*master|no.*reply"
    return bool(re.search(regex, address, flags=re.IGNORECASE))