Error during command authentication.

Error - unable to initiate communication with LISTSERV (errno=10061, phase=CONNECT, target=127.0.0.1:2306). The server is probably not started. LISTSERV - LLTI Archives - LISTSERV.DARTMOUTH.EDU

I have been using ACTFL's Conversation Builder. aapplcb.actfl.org 

I wrote a review of it here: http://fltmag.com/aappl-conversation-builder/