Changes with nginx 0.7.22 20 Nov
2008
*) Feature: the "none" parameter in the "smtp_auth" directive.
Thanks to Maxim D..
*) Feature: the "$cookie_..." variables.
*) Bugfix: the "directio" directive did not work in XFS filesystem.
*) Bugfix: the resolver did not understand big DNS responses.
Thanks to Zyb.