diff --git a/webui/model/mail/mail.php b/webui/model/mail/mail.php
index 7612f6e..efb266b 100644
--- a/webui/model/mail/mail.php
+++ b/webui/model/mail/mail.php
@@ -34,7 +34,7 @@
 
       fputs($r, $msg);
 
-      if(!preg_match("/\r\n.\r\n$/", $msg)){
+      if(!preg_match("/\r\n\.\r\n$/", $msg)){
          fputs($r, "\r\n.\r\n");
       }