commit d5427e71da28856c5e43396a37ffd0c906947499 (HEAD, refs/remotes/origin/master)
Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
Date:   Mon Mar 14 20:23:30 2016 +0100

    Disable MOVE more for Dovecot
    
    * lisp/gnus/nnimap.el (nnimap-process-expiry-targets): Also
    disable MOVE when expirying.
    (nnimap-split-incoming-mail): And when splitting mail.

diff --git a/lisp/gnus/nnimap.el b/lisp/gnus/nnimap.el
index 90de168..2e2ec59 100644
--- a/lisp/gnus/nnimap.el
+++ b/lisp/gnus/nnimap.el
@@ -997,7 +997,8 @@ textual parts.")
       (and (nnimap-change-group group server)
 	   (with-current-buffer (nnimap-buffer)
 	     (nnheader-message 7 "Expiring articles from %s: %s" group articles)
-             (let ((can-move (nnimap-capability "MOVE")))
+             (let ((can-move (and (nnimap-capability "MOVE")
+				  (equal (nnimap-quirk "MOVE") "MOVE"))))
                (nnimap-command
                 (if can-move
                     "UID MOVE %s %S"
@@ -2068,7 +2069,8 @@ Return the server's response to the SELECT or EXAMINE command."
 				  nnmail-split-fancy))
 	  (nnmail-inhibit-default-split-group t)
 	  (groups (nnimap-get-groups))
-          (can-move (nnimap-capability "MOVE"))
+          (can-move (and (nnimap-capability "MOVE")
+			 (equal (nnimap-quirk "MOVE") "MOVE")))
 	  new-articles)
       (erase-buffer)
       (nnimap-command "SELECT %S" nnimap-inbox)

commit 8ed27bdf88cab134c26f3609c4d11c574f74705c
Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
Date:   Mon Mar 14 20:21:02 2016 +0100

    Don't use MOVE on Dovecot
    
    * lisp/gnus/nnimap.el (nnimap-request-move-article): Don't use
    MOVE on Dovecot, since it's broken in many versions.
    (nnimap-quirks): Mark MOVE on Dovecot as non-working.

diff --git a/lisp/gnus/nnimap.el b/lisp/gnus/nnimap.el
index fc9304f..90de168 100644
--- a/lisp/gnus/nnimap.el
+++ b/lisp/gnus/nnimap.el
@@ -157,7 +157,8 @@ textual parts.")
     (forward "gnus-forward")))
 
 (defvar nnimap-quirks
-  '(("QRESYNC" "Zimbra" "QRESYNC ")))
+  '(("QRESYNC" "Zimbra" "QRESYNC ")
+    ("MOVE" "Dovecot" nil)))
 
 (defvar nnimap-inhibit-logging nil)
 
@@ -929,7 +930,8 @@ textual parts.")
       (let ((message-id (message-field-value "message-id")))
 	(if internal-move-group
             (with-current-buffer (nnimap-buffer)
-              (let* ((can-move (nnimap-capability "MOVE"))
+              (let* ((can-move (and (nnimap-capability "MOVE")
+				    (equal (nnimap-quirk "MOVE") "MOVE")))
 		     (command (if can-move
 				  "UID MOVE %d %S"
 				"UID COPY %d %S"))