? PATCH
Index: ChangeLog
===================================================================
RCS file: /usr/local/cvsroot/gnus/lisp/ChangeLog,v
retrieving revision 7.1656
diff -u -r7.1656 ChangeLog
--- ChangeLog	7 Nov 2007 07:42:35 -0000	7.1656
+++ ChangeLog	14 Nov 2007 21:10:09 -0000
@@ -1,3 +1,8 @@
+2007-11-14  Denys Duchier <denys.duchier@univ-orleans.fr>
+
+	* pop3.el (pop3-open-server): accept and process data more robustly at
+	connexion start to avoid spurious "POP SSL connexion failed" errors.
+	
 2007-11-05  Reiner Steib  <Reiner.Steib@gmx.de>
 
 	* message.el (message-citation-line-function)
Index: pop3.el
===================================================================
RCS file: /usr/local/cvsroot/gnus/lisp/pop3.el,v
retrieving revision 7.26
diff -u -r7.26 pop3.el
--- pop3.el	4 Oct 2007 18:51:28 -0000	7.26
+++ pop3.el	14 Nov 2007 21:10:11 -0000
@@ -241,16 +241,20 @@
 					      mailhost port)))
 		(when process
 		  ;; There's a load of info printed that needs deleting.
-		  (while (when (memq (process-status process) '(open run))
-			   (pop3-accept-process-output process)
-			   (goto-char (point-max))
-			   (forward-line -1)
-			   (if (looking-at "\\+OK")
-			       (progn
-				 (delete-region (point-min) (point))
-				 nil)
-			     (pop3-quit process)
-			     (error "POP SSL connexion failed"))))
+		  (let ((again 't))
+		    ;; repeat until
+		    ;; - either we received the +OK line
+		    ;; - or accept-process-output timed out without getting anything
+		    (while (and again (setq again (memq (process-status process) '(open run))))
+		      (setq again (pop3-accept-process-output process))
+		      (goto-char (point-max))
+		      (forward-line -1)
+		      (cond ((looking-at "\\+OK")
+			     (setq again nil)
+			     (delete-region (point-min) (point)))
+			    ((not again)
+			     (pop3-quit-process)
+			     (error "POP SSL connexion failed")))))
 		  process)))
 	     ((eq pop3-stream-type 'starttls)
 	      ;; gnutls-cli, openssl don't accept service names