+upstream/533459-unmailboxes.patch
+upstream/533439-mbox-time.patch
+upstream/531430-imapuser.patch
+upstream/534543-imap-port.patch
+
+# the following two patches are also in upstream hg repo
+# plese drop them if there is a new release
+upstream/538128-mh-folder-access.patch
+upstream/537818-emptycharset.patch
+upstream/535096-pop-port.patch
+upstream/542910-search-segfault.patch
+upstream/533370-pgp-inline.patch
+upstream/533520-signature-highlight.patch
+upstream/393926-internal-viewer.patch