Index: sites/all/modules/mimemail/mimemail.inc
===================================================================
--- sites/all/modules/mimemail/mimemail.inc	(revision 698)
+++ sites/all/modules/mimemail/mimemail.inc	(working copy)
@@ -19,21 +19,31 @@
   $header = '';
   $crlf = variable_get('mimemail_crlf', "\n");
   foreach ($headers as $key => $value) {
-    $key = trim($key);
-    // collapse spaces and get rid of newline characters
-    $value = preg_replace('/(\s+|\n|\r|^\s|\s$)/', ' ', $value);
-
-    //fold headers if they're too long
-    if (strlen($value) > 60) {
-      //if there's a semicolon, use that to separate
-      if (count($array = preg_split('/;\s*/', $value)) > 1) {
-        $value = trim(join(";$crlf    ", $array));
+    // this is so we can have multiple BCC, CC etc...
+    if (!is_array($value)) {
+      $values = array();
+      $values[0] = $value;
+    }
+    else {
+      $values = $value;
+    }
+    foreach ($values as $value) {
+      $key = trim($key);
+      // collapse spaces and get rid of newline characters
+      $value = preg_replace('/(\s+|\n|\r|^\s|\s$)/', ' ', $value);
+  
+      //fold headers if they're too long
+      if (strlen($value) > 60) {
+        //if there's a semicolon, use that to separate
+        if (count($array = preg_split('/;\s*/', $value)) > 1) {
+          $value = trim(join(";$crlf    ", $array));
+        }
+        else {
+          $value = wordwrap($value, 50, "$crlf    ", FALSE);
+        }
       }
-      else {
-        $value = wordwrap($value, 50, "$crlf    ", FALSE);
-      }
+      $header .= "$key: $value$crlf";
     }
-    $header .= "$key: $value$crlf";
   }
   return trim($header);
 }