def obfuscate_email_address(address):
    """Replace anything looking like an e-mail address (``'@something'``)
    with a trailing ellipsis (``'@…'``)
    """
    if address:
        at = address.find('@')
        if at != -1:
            return address[:at] + u'@\u2026' + \
                   ('>' if address[-1] == '>' else '')
    return address