Ticket #38708: 38708.diff

wp-includes/formatting.php

@@ -2865 +2865 @@
                 _deprecated_argument( __FUNCTION__, '3.0.0' );
 
         // Test for the minimum length the email can be
-        if ( strlen( $email ) < 3 ) {
+        if ( strlen( $email ) < 6 ) {
                 /**
                  * Filters whether an email address is valid.
                  *