When running the test suite on Fedora 17 (and behind a couple of layers of NAT), I see the following problems:

Intermittently: skipped "Resource 'cyrus.andrew.cmu.edu' is not available"

Consistently (with a couple of tests updated to use the improved assertion methods for containment testing):

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FAIL: test_logincapa (test.test_imaplib.RemoteIMAPTest)
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Traceback (most recent call last):
  File "/home/ncoghlan/devel/py32/Lib/test/test_imaplib.py", line 236, in test_logincapa
    self.assertIn('LOGINDISABLED', self.server.capabilities)
AssertionError: 'LOGINDISABLED' not found in ('IMAP4REV1', 'LITERAL+', 'ID', 'ENABLE', 'ACL', 'RIGHTS=KXTE', 'QUOTA', 'MAILBOX-REFERRALS', 'NAMESPACE', 'UIDPLUS', 'NO_ATOMIC_RENAME', 'UNSELECT', 'CHILDREN', 'MULTIAPPEND', 'BINARY', 'CATENATE', 'CONDSTORE', 'ESEARCH', 'SORT', 'SORT=MODSEQ', 'SORT=DISPLAY', 'THREAD=ORDEREDSUBJECT', 'THREAD=REFERENCES', 'ANNOTATEMORE', 'LIST-EXTENDED', 'WITHIN', 'QRESYNC', 'SCAN', 'XLIST', 'URLAUTH', 'URLAUTH=BINARY', 'MUPDATE=MUPDATE://MUPDATE.ANDREW.CMU.EDU/', 'AUTH=GSSAPI', 'AUTH=PLAIN', 'AUTH=ANONYMOUS', 'SASL-IR', 'STARTTLS')