-other RFC-compliant server. IMAP is alleged to work OK, though.</p>
-
-<p>Older versions of Exchange are semi-usable. They randomly drop
-attachments on the floor, though. Microsoft acknowledges this
-as a known bug and apparently has no plans to fix it.</p>
+other RFC-compliant client. IMAP is alleged to work OK, though.</p>
+
+<p>Exchange 2003 SP2 has been observed to alter MIME boundary
+lines in multipart messages between one IMAP FETCH command and the next
+under some circumstances -- for instance, when the top-level
+Content-Transfer-Encoding is "binary" (which is commonplace with Perl's
+MIME::Lite module). This causes MUAs to not detect attachments, but
+render the whole message body as one lump of hardly legible to
+unintelligible text, rather than nicely presenting text part and
+attachments or images separately. The cause is that Exchange uses its
+own message store and needs to convert back to MIME message format
+on-the-fly, and apparently this is sometimes subject to such
+inconsistencies.
+</p>