Authentication problem

[Mike Allen]

Much progress has been made (Thank you Ken and Pat) but I still
have an authentication problem see below:

imtest -m plain -u cyrus -a cyrus -s mail2
verify error:num=18:self signed certificate
TLS connection established: TLSv1 with cipher AES256-SHA (256/256 bits)
S: * OK mail2.familyradio.org Cyrus IMAP4 v2.1.15 server ready
C: C01 CAPABILITY
S: * CAPABILITY IMAP4 IMAP4rev1 ACL QUOTA LITERAL+ MAILBOX-REFERRALS
NAMESPACE UIDPLUS ID NO_ATOMIC_RENAME UNSELECT CHILDREN MULTIAPPEND SORT
THREAD=ORDEREDSUBJECT THREAD=REFERENCES IDLE AUTH=NTLM AUTH=LOGIN
AUTH=PLAIN AUTH=DIGEST-MD5 AUTH=CRAM-MD5
S: C01 OK Completed
C: A01 AUTHENTICATE PLAIN
S: +
Please enter your password:
C: Y3lydXMAY3lydXMAcHdyNHRvZGF5
S: A01 NO user not found
Authentication failed. generic failure
Security strength factor: 256
. logout
* BYE LOGOUT received
. OK Completed
Connection closed.
[mail2] /var/log#

see also below:

[mail2] ~# sasldblistusers2
cyrus at mail2.familyradio.org: userPassword
[mail2] ~#

Any help will be appreciated.

Mike Allen