diff --git a/phpBB/language/en/lang_admin.php b/phpBB/language/en/lang_admin.php
index d24ffc0781..010d4ed243 100644
--- a/phpBB/language/en/lang_admin.php
+++ b/phpBB/language/en/lang_admin.php
@@ -693,6 +693,9 @@ $lang += array(
 	'SMTP_AUTH_METHOD_EXPLAIN'	=> 'Only used if a username/password is set, ask your provider if you are unsure which method to use.', 
 	'SMTP_LOGIN'				=> 'LOGIN', 
 	'SMTP_PLAIN'				=> 'PLAIN', 
+	'SMTP_CRAM_MD5'				=> 'CRAM-MD5',
+	'SMTP_DIGEST_MD5'			=> 'DIGEST-MD5',
+	'SMTP_POP_BEFORE_SMTP'		=> 'POP-BEFORE-SMTP',
 	'SMTP_USERNAME'				=> 'SMTP Username',
 	'SMTP_USERNAME_EXPLAIN'		=> 'Only enter a username if your smtp server requires it.',
 	'SMTP_PASSWORD'				=> 'SMTP Password',