How do I get cyradm to authenticate with TLS

[Richard Wohlstadter]

Hello all,

I'm in the process of setting up cyrus and I've run into a little snag. 
  I want to restrict plaintext passwords on the standard imap port so 
users are forced to STARTTLS the connection.  I have set allowplaintext 
to 0 in imapd.conf to set this, but now cannot get cyradm to 
authenticate with it complaining:

Login only available under a layer at 
/usr/local/lib/perl5/site_perl/5.8.0/i386-linux-thread-multi/Cyrus/IMAP/Admin.pm 
line 118

So does cyradm support a TLS connection?  I know TLS is working because 
i can do imtest -t "" -u cyrus localhost and it works fine.

Any help would be much appreciated. Thanks.

Rich
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