--- title: "SMS For OTP Setup" slug: "sms-for-otp-setup" tags: ["OTP", "Enable SMS", "SMTP Server", "Settings Tab", "SMS OTP"] updated: 2024-11-12T18:44:25Z published: 2024-11-12T18:44:25Z canonical: "mfa.rapididentity.com/sms-for-otp-setup" --- > ## Documentation Index > Fetch the complete documentation index at: https://mfa.rapididentity.com/llms.txt > Use this file to discover all available pages before exploring further. # SMS For OTP Setup User Information Admins will have to verify the users' phone numbers, carriers, and emails are up-to-date for their MFA user. For getting a quick comprehensive list, you can use the SQL query ## SMTP Server This setup requires an SMTP server to be in the environment and connected to the MFA server to push the OTP out when initiated: [Connecting To SMTP](/v1/docs/connecting-to-smtp) --- ## Settings Tab 1. Under the *Settings* tab, check to enable (✓) the setting "Enable SMS for OTP codes". ![sms otp - setup.png](https://cdn.document360.io/cf888ab6-47bb-4aaa-984b-26a47cdccf46/Images/Documentation/sms%20otp%20-%20setup.png) 1. Scroll to the bottom of the Settings tab and click "Save". --- ## Using SMS OTP Jump to our how-to article on [using SMS OTP](/v1/docs/sms-for-otp-authentication) to log in.