Index: wp-includes/class-pop3.php
===================================================================
--- wp-includes/class-pop3.php	(revision 5811)
+++ wp-includes/class-pop3.php	(working copy)
@@ -367,7 +367,8 @@
         while ( !ereg("^\.\r\n",$line))
         {
             $line = fgets($fp,$buffer);
-            if (preg_match("/^\s+/", $line) && $count > 0) {
+            if ( '.' == $line{0} && !ereg("^\.\r\n",$line) ) $line = substr($line,1); }
+            if (preg_match("/^\s+\S+/", $line) && $count > 0) {
                 $MsgArray[$count-1] .= $line;
                 continue;
             }