rfc6577.txt:Murray S. Kucherawy:cloudmark:usa:5:mar:2012:UNKNOWN:kwd,seccons,ianacons:draft-kucherawy-authres-spf-erratum:2012-02-16:2012-01-06:2:0:0:38:40:1:2012-01-03:0::2012-01-03:3:none:141