On Mar 27, 2009, at 2:23 AM, <tao.6.yang at nokia.com> wrote: > A Login user1 <user1's pwd> > A CAPABILITY > > I expect to get the list that contains the following - > AUTH=PLAIN AUTH=LOGIN AUTH=CRAM-MD5 AUTH=DIGEST-MD5 The AUTH= capabilities are useful only before authentication, so send CAPABILITY before LOGIN.