added dot transformation to body of email when sending via SMTP
diff --git a/system/libraries/Email.php b/system/libraries/Email.php
index e0fa689..aa08971 100644
--- a/system/libraries/Email.php
+++ b/system/libraries/Email.php
@@ -1436,8 +1436,9 @@
 		}

 		

 		$this->_send_command('data');

-

-		$this->_send_data($this->_header_str . $this->_finalbody);

+		

+		// perform dot transformation on any lines that begin with a dot

+		$this->_send_data($this->_header_str . preg_replace('/^\./m', '..$1', $this->_finalbody));

 		

 		$this->_send_data('.');