diff --git a/src/containers/EmailSettingsModal/__snapshots__/index.test.jsx.snap b/src/containers/EmailSettingsModal/__snapshots__/index.test.jsx.snap
index c32751a..8a8b943 100644
--- a/src/containers/EmailSettingsModal/__snapshots__/index.test.jsx.snap
+++ b/src/containers/EmailSettingsModal/__snapshots__/index.test.jsx.snap
@@ -19,10 +19,10 @@ exports[`EmailSettingsModal render snapshot: emails disabled, show: false 1`] =
       Receive course emails?
     </h4>
     <Form.Switch
-      checked={true}
+      checked={false}
       onChange={[MockFunction hooks.onToggle]}
     >
-      Course emails are on
+      Course emails are off
     </Form.Switch>
     <p>
       Course emails include important information about your course from instructors.
@@ -45,50 +45,6 @@ exports[`EmailSettingsModal render snapshot: emails disabled, show: false 1`] =
 `;
 
 exports[`EmailSettingsModal render snapshot: emails disabled, show: true 1`] = `
-<ModalDialog
-  hasCloseButton={false}
-  isOpen={true}
-  onClose={[MockFunction hooks.nullMethod]}
-  title=""
->
-  <div
-    className="bg-white p-3 rounded shadow"
-    style={
-      Object {
-        "textAlign": "start",
-      }
-    }
-  >
-    <h4>
-      Receive course emails?
-    </h4>
-    <Form.Switch
-      checked={true}
-      onChange={[MockFunction hooks.onToggle]}
-    >
-      Course emails are on
-    </Form.Switch>
-    <p>
-      Course emails include important information about your course from instructors.
-    </p>
-    <ActionRow>
-      <Button
-        onClick={[MockFunction closeModal]}
-        variant="tertiary"
-      >
-        Never mind
-      </Button>
-      <Button
-        onClick={[MockFunction hooks.save]}
-      >
-        Save settings
-      </Button>
-    </ActionRow>
-  </div>
-</ModalDialog>
-`;
-
-exports[`EmailSettingsModal render snapshot: emails enabled, show: true 1`] = `
 <ModalDialog
   hasCloseButton={false}
   isOpen={true}
@@ -131,3 +87,47 @@ exports[`EmailSettingsModal render snapshot: emails enabled, show: true 1`] = `
   </div>
 </ModalDialog>
 `;
+
+exports[`EmailSettingsModal render snapshot: emails enabled, show: true 1`] = `
+<ModalDialog
+  hasCloseButton={false}
+  isOpen={true}
+  onClose={[MockFunction hooks.nullMethod]}
+  title=""
+>
+  <div
+    className="bg-white p-3 rounded shadow"
+    style={
+      Object {
+        "textAlign": "start",
+      }
+    }
+  >
+    <h4>
+      Receive course emails?
+    </h4>
+    <Form.Switch
+      checked={true}
+      onChange={[MockFunction hooks.onToggle]}
+    >
+      Course emails are on
+    </Form.Switch>
+    <p>
+      Course emails include important information about your course from instructors.
+    </p>
+    <ActionRow>
+      <Button
+        onClick={[MockFunction closeModal]}
+        variant="tertiary"
+      >
+        Never mind
+      </Button>
+      <Button
+        onClick={[MockFunction hooks.save]}
+      >
+        Save settings
+      </Button>
+    </ActionRow>
+  </div>
+</ModalDialog>
+`;
diff --git a/src/containers/EmailSettingsModal/hooks.js b/src/containers/EmailSettingsModal/hooks.js
index 5a15e26..7df1bce 100644
--- a/src/containers/EmailSettingsModal/hooks.js
+++ b/src/containers/EmailSettingsModal/hooks.js
@@ -1,8 +1,7 @@
 import React from 'react';
 
 import { StrictDict } from 'utils';
-// import { thunkActions } from 'data/redux';
-import { hooks as appHooks } from 'data/redux';
+import { hooks as appHooks, thunkActions } from 'data/redux';
 
 import * as module from './hooks';
 
@@ -13,7 +12,7 @@ export const state = StrictDict({
 export const useEmailData = ({
   closeModal,
   cardId,
-  // dispatch,
+  dispatch,
 }) => {
   const { isEmailEnabled } = appHooks.useCardEnrollmentData(cardId);
   const [toggleValue, setToggleValue] = module.state.toggle(isEmailEnabled);
@@ -23,9 +22,10 @@ export const useEmailData = ({
   );
   const save = React.useCallback(
     () => {
+      dispatch(thunkActions.app.updateEmailSettings(cardId, toggleValue));
       closeModal();
     },
-    [closeModal],
+    [cardId, closeModal, dispatch, toggleValue],
   );
 
   return {
diff --git a/src/containers/EmailSettingsModal/hooks.test.js b/src/containers/EmailSettingsModal/hooks.test.js
index 90aa9c5..5947faf 100644
--- a/src/containers/EmailSettingsModal/hooks.test.js
+++ b/src/containers/EmailSettingsModal/hooks.test.js
@@ -1,5 +1,5 @@
 import { MockUseState } from 'testUtils';
-import { hooks as appHooks } from 'data/redux';
+import { hooks as appHooks, thunkActions } from 'data/redux';
 
 import * as hooks from './hooks';
 
@@ -7,10 +7,16 @@ jest.mock('data/redux', () => ({
   hooks: {
     useCardEnrollmentData: jest.fn(),
   },
+  thunkActions: {
+    app: {
+      updateEmailSettings: jest.fn(),
+    },
+  },
 }));
 
 const cardId = 'my-test-course-number';
 const closeModal = jest.fn();
+const dispatch = jest.fn();
 
 const state = new MockUseState(hooks);
 
@@ -26,7 +32,7 @@ describe('EmailSettingsModal hooks', () => {
     beforeEach(() => {
       state.mock();
       appHooks.useCardEnrollmentData.mockReturnValueOnce({ isEmailEnabled: true });
-      out = hooks.useEmailData({ closeModal, cardId });
+      out = hooks.useEmailData({ closeModal, cardId, dispatch });
     });
     afterEach(state.restore);
 
@@ -53,8 +59,14 @@ describe('EmailSettingsModal hooks', () => {
       });
     });
     describe('save', () => {
-      it('returns a callback', () => {
-        expect(out.save.useCallback.prereqs).toEqual([closeModal]);
+      it('calls dispatch with thunkActions.app.updateEmailSettings', () => {
+        out.save.useCallback.cb();
+        expect(thunkActions.app.updateEmailSettings).toHaveBeenCalledWith(cardId, out.toggleValue);
+        expect(dispatch).toHaveBeenCalledWith(thunkActions.app.updateEmailSettings(cardId, out.toggleValue));
+      });
+      it('calls closeModal', () => {
+        out.save.useCallback.cb();
+        expect(closeModal).toHaveBeenCalled();
       });
     });
   });
diff --git a/src/containers/EmailSettingsModal/index.jsx b/src/containers/EmailSettingsModal/index.jsx
index f44ee4e..58ac768 100644
--- a/src/containers/EmailSettingsModal/index.jsx
+++ b/src/containers/EmailSettingsModal/index.jsx
@@ -37,8 +37,8 @@ export const EmailSettingsModal = ({
     >
       <div className="bg-white p-3 rounded shadow" style={{ textAlign: 'start' }}>
         <h4>{formatMessage(messages.header)}</h4>
-        <Form.Switch checked={!toggleValue} onChange={onToggle}>
-          {formatMessage(toggleValue ? messages.emailsOff : messages.emailsOn)}
+        <Form.Switch checked={toggleValue} onChange={onToggle}>
+          {formatMessage(!toggleValue ? messages.emailsOff : messages.emailsOn)}
         </Form.Switch>
         <p>{formatMessage(messages.description)}</p>
         <ActionRow>
diff --git a/src/data/redux/thunkActions/app.js b/src/data/redux/thunkActions/app.js
index 418cd39..d518fae 100644
--- a/src/data/redux/thunkActions/app.js
+++ b/src/data/redux/thunkActions/app.js
@@ -89,6 +89,14 @@ export const clearMasquerade = () => (dispatch) => {
   dispatch(module.initialize());
 };
 
+export const updateEmailSettings = (cardId, enable) => (dispatch, getState) => {
+  const { courseId } = selectors.app.courseCard.courseRun(getState(), cardId);
+  dispatch(requests.updateEmailSettings({
+    courseId,
+    enable,
+  }));
+};
+
 export default StrictDict({
   loadData,
   initialize,
@@ -100,4 +108,5 @@ export default StrictDict({
   unenrollFromCourse,
   masqueradeAs,
   clearMasquerade,
+  updateEmailSettings,
 });
diff --git a/src/data/redux/thunkActions/app.test.js b/src/data/redux/thunkActions/app.test.js
index 681a685..2c891a7 100644
--- a/src/data/redux/thunkActions/app.test.js
+++ b/src/data/redux/thunkActions/app.test.js
@@ -45,6 +45,7 @@ jest.mock('./requests', () => ({
   unenrollFromCourse: jest.fn((args) => ({ unenrollFromCourse: args })),
   masqueradeAs: jest.fn((args) => ({ masqueradeAs: args })),
   clearMasquerade: jest.fn((args) => ({ clearMasquerade: args })),
+  updateEmailSettings: jest.fn((args) => ({ updateEmailSettings: args })),
 }));
 
 const dispatch = jest.fn(action => action);
@@ -204,4 +205,14 @@ describe('app thunk actions', () => {
       expect(dispatch).toHaveBeenCalledWith(mockInitialize());
     });
   });
+  describe('update email settings', () => {
+    it('dispatches updateEmailSettings request action', () => {
+      module.updateEmailSettings(cardId, testString)(dispatch, getState);
+      expect(selectors.app.courseCard.courseRun).toHaveBeenCalledWith(testState, cardId);
+      expect(dispatch).toHaveBeenCalledWith(requests.updateEmailSettings({
+        courseId,
+        enable: testString,
+      }));
+    });
+  });
 });
diff --git a/src/data/services/lms/api.js b/src/data/services/lms/api.js
index ba7a820..8381f2f 100644
--- a/src/data/services/lms/api.js
+++ b/src/data/services/lms/api.js
@@ -29,10 +29,10 @@ const deleteEntitlementEnrollment = ({ uuid }) => client().delete(stringifyUrl(
   { [apiKeys.courseRunId]: null },
 ));
 
-const updateEmailSettings = ({ courseId, enable }) => post(stringifyUrl(
-  urls.updateEmailSettings,
+const updateEmailSettings = ({ courseId, enable }) => post(
+  stringifyUrl(urls.updateEmailSettings),
   { [apiKeys.courseId]: courseId, ...(enable && enableEmailsAction) },
-));
+);
 
 const unenrollFromCourse = ({ courseId }) => post(stringifyUrl(urls.courseUnenroll), {
   [apiKeys.courseId]: courseId,
diff --git a/src/data/services/lms/api.test.js b/src/data/services/lms/api.test.js
index 47fe1b5..8249495 100644
--- a/src/data/services/lms/api.test.js
+++ b/src/data/services/lms/api.test.js
@@ -63,10 +63,8 @@ describe('lms api methods', () => {
         expect(
           api.updateEmailSettings({ courseId: testCourseId, enable: false }),
         ).toEqual(
-          utils.post(utils.stringifyUrl(
-            urls.updateEmailSettings,
-            { [apiKeys.courseId]: testCourseId },
-          )),
+          utils.post(utils.stringifyUrl(urls.updateEmailSettings),
+            { [apiKeys.courseId]: testCourseId }),
         );
       });
     });
@@ -75,10 +73,8 @@ describe('lms api methods', () => {
         expect(
           api.updateEmailSettings({ courseId: testCourseId, enable: true }),
         ).toEqual(
-          utils.post(utils.stringifyUrl(
-            urls.updateEmailSettings,
-            { [apiKeys.courseId]: testCourseId, ...enableEmailsAction },
-          )),
+          utils.post(utils.stringifyUrl(urls.updateEmailSettings),
+            { [apiKeys.courseId]: testCourseId, ...enableEmailsAction }),
         );
       });
     });