At 01:52 -0400 on 04/10/2007, Tony Hansen wrote about Re: Conflicting
Enhanced Status Codes between RFC 4468 and :
X.7.12 A password transition is needed This response to the AUTH
command indicates that the user needs to transition to the
selected authentication mechanism. This is typically done by
authenticating once using the [PLAIN] authentication mechanism.
The selected mechanism SHOULD then work for authentications in
You reference [PLAIN] but do not list it in Section 5.1 or 5.2. I'd
assume that it should be there for completeness purposes.