diff --git a/.cypress/integration/email_senders_and_groups.spec.js b/.cypress/integration/email_senders_and_groups.spec.js
index 76155d93..2aef7889 100644
--- a/.cypress/integration/email_senders_and_groups.spec.js
+++ b/.cypress/integration/email_senders_and_groups.spec.js
@@ -67,7 +67,7 @@ describe('Test create email senders', () => {
       force: true,
     });
     cy.wait(delay);
-    cy.get('.euiContextMenuItem__text').contains('TLS').click({ force: true });
+    cy.get('.euiContextMenuItem__text').contains('STARTTLS').click({ force: true });
     cy.wait(delay);
 
     cy.get('.euiButton__text').contains('Create').click({ force: true });
diff --git a/public/pages/Emails/__tests__/SendersTableControls.test.tsx b/public/pages/Emails/__tests__/SendersTableControls.test.tsx
index b4f5a3e9..732af29e 100644
--- a/public/pages/Emails/__tests__/SendersTableControls.test.tsx
+++ b/public/pages/Emails/__tests__/SendersTableControls.test.tsx
@@ -56,7 +56,7 @@ describe('<SendersTableControls /> spec', () => {
       </MainContext.Provider>
     );
     fireEvent.click(utils.getByText('Encryption method'));
-    fireEvent.click(utils.getByText('TLS'));
+    fireEvent.click(utils.getByText('STARTTLS'));
     fireEvent.click(utils.getByText('None'));
     expect(onFiltersChange).toBeCalledWith({ encryptionMethod: ["start_tls", "none"] });
   });
diff --git a/public/pages/Emails/components/forms/CreateSenderForm.tsx b/public/pages/Emails/components/forms/CreateSenderForm.tsx
index 18274c15..df373d4f 100644
--- a/public/pages/Emails/components/forms/CreateSenderForm.tsx
+++ b/public/pages/Emails/components/forms/CreateSenderForm.tsx
@@ -147,7 +147,7 @@ export function CreateSenderForm(props: CreateSenderFormProps) {
         style={{ maxWidth: '650px' }}
         helpText={
           <div>
-            SSL or TLS is recommended for security. To use either one, you must
+            SSL/TLS or STARTTLS is recommended for security. To use either one, you must
             enter each sender account's credentials to the OpenSearch
             keystore using the CLI.{' '}
             <EuiLink
diff --git a/public/utils/constants.ts b/public/utils/constants.ts
index a1032b9d..81691978 100644
--- a/public/utils/constants.ts
+++ b/public/utils/constants.ts
@@ -74,8 +74,8 @@ export const CHANNEL_TYPE = Object.freeze({
 };
 
 export const ENCRYPTION_TYPE = Object.freeze({
-  ssl: 'SSL',
-  start_tls: 'TLS',
+  ssl: 'SSL/TLS',
+  start_tls: 'STARTTLS',
   none: 'None',
 });