"Unknown Error Code" on imtest ?

[OpenMacNews]

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hi all,

i've installed:

	imap 2.2.12 + sasl  2.1.20

when i test with,

	imtest -t "" -p imap -m plain    -a my.admin -u my.admin localhost

i get successful AUTH, but an "Unknown Error Code"

here's the session's console output:

	S: * OK mail.testdomain.com Cyrus IMAP4 v2.2.12 server ready
	C: C01 CAPABILITY
	S: * CAPABILITY IMAP4 IMAP4rev1 ACL QUOTA LITERAL+ MAILBOX-REFERRALS NAMESPACE UIDPLUS ID
NO_ATOMIC_RENAME UNSELECT CHILDREN MULTIAPPEND BINARY SORT THREAD=ORDEREDSUBJECT
THREAD=REFERENCES ANNOTATEMORE IDLE STARTTLS AUTH=DIGEST-MD5 AUTH=DIGEST-MD5 AUTH=DIGEST-MD5
AUTH=CRAM-MD5 AUTH=CRAM-MD5 AUTH=CRAM-MD5 SASL-IR LISTEXT LIST-SUBSCRIBED
	S: C01 OK Unknown Error Code: -1904809420
	C: S01 STARTTLS
	S: S01 OK Begin TLS negotiation now
	verify error:num=19:self signed certificate in certificate chain
	TLS connection established: TLSv1 with cipher AES256-SHA (256/256 bits)
	C: C01 CAPABILITY
	S: * CAPABILITY IMAP4 IMAP4rev1 ACL QUOTA LITERAL+ MAILBOX-REFERRALS NAMESPACE UIDPLUS ID
NO_ATOMIC_RENAME UNSELECT CHILDREN MULTIAPPEND BINARY SORT THREAD=ORDEREDSUBJECT
THREAD=REFERENCES ANNOTATEMORE IDLE AUTH=PLAIN AUTH=PLAIN AUTH=PLAIN AUTH=LOGIN AUTH=LOGIN
AUTH=LOGIN AUTH=DIGEST-MD5 AUTH=DIGEST-MD5 AUTH=DIGEST-MD5 AUTH=CRAM-MD5 AUTH=CRAM-MD5
AUTH=CRAM-MD5 SASL-IR LISTEXT LIST-SUBSCRIBED
	S: C01 OK Unknown Error Code: -1904809420
	Please enter your password:
	C: A01 AUTHENTICATE PLAIN XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX=
	S: A01 OK Success (tls protection)
	Authenticated.
	Security strength factor: 256

is this a bug, or know issue?

fwiw,

uname -a
	Darwin devbox 8.2.0 Darwin Kernel Version 8.2.0: Fri Jun 24 17:46:54 PDT 2005;
root:xnu-792.2.4.obj~3/RELEASE_PPC Power Macintosh powerpc

thx.

richard
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