Review lead in mail taking old URL how to update that?

Hello Experts

First i deployed my instance to another URL and now to new URL problem is when i am assigning any lead to any user then in mail “revied this lead takes old URL” rather then new URL hence it shows connection time out when review this lead. Please help .

You need to update your site_url to correct URL in config.php at root level.

Thank you @sagarjaydeep its working fine now.