diff --git a/messages/en.json b/messages/en.json
index f40abd53..1fb26fb8 100644
--- a/messages/en.json
+++ b/messages/en.json
@@ -168,6 +168,7 @@
       "signUp": "Sign up for a Mobility Database account or login to add or update a GTFS feed.",
       "signUpAction": "Sign up for an account",
       "loginSuccess": "You were successfully logged in, you can now add or update a feed.",
+      "emailVerificationRequired": "Please verify your email address to submit or update feeds.",
       "dataTypeRequired": "Data format required",
       "isOfficialFeedRequired": "Official feed required",
       "feedLinkRequired": "Feed link required",
diff --git a/messages/fr.json b/messages/fr.json
index fd15f3fd..9aa412c2 100644
--- a/messages/fr.json
+++ b/messages/fr.json
@@ -168,6 +168,7 @@
       "signUp": "Sign up for a Mobility Database account or login to add or update a GTFS feed.",
       "signUpAction": "Sign up for an account",
       "loginSuccess": "You were successfully logged in, you can now add or update a feed.",
+      "emailVerificationRequired": "Veuillez vérifier votre adresse e-mail pour soumettre ou mettre à jour des flux.",
       "dataTypeRequired": "Data format required",
       "isOfficialFeedRequired": "Official feed required",
       "feedLinkRequired": "Feed link required",
diff --git a/src/app/[locale]/contribute/FeedSubmission/FeedSubmission.tsx b/src/app/[locale]/contribute/FeedSubmission/FeedSubmission.tsx
index 6ede9ed6..39042631 100644
--- a/src/app/[locale]/contribute/FeedSubmission/FeedSubmission.tsx
+++ b/src/app/[locale]/contribute/FeedSubmission/FeedSubmission.tsx
@@ -11,7 +11,10 @@ import {
   Typography,
 } from '@mui/material';
 import CheckIcon from '@mui/icons-material/Check';
-import { selectIsAuthenticated } from '../../../store/profile-selectors';
+import {
+  selectIsAuthenticated,
+  selectIsEmailVerified,
+} from '../../../store/profile-selectors';
 import { useTranslations } from 'next-intl';
 import { useSearchParams } from 'next/navigation';
 import FeedSubmissionForm from './Form';
@@ -24,6 +27,7 @@ function Component(): React.ReactElement {
     searchParams.get('from') === 'registration',
   );
   const isAuthenticated = useSelector(selectIsAuthenticated);
+  const isEmailVerified = useSelector(selectIsEmailVerified);
 
   return (
     <Container component='main' sx={{ my: 0, mx: 'auto' }}>
@@ -42,7 +46,18 @@ function Component(): React.ReactElement {
             </Button>
           </>
         )}
-        {isAuthenticated && (
+        {isAuthenticated && !isEmailVerified && (
+          <Box sx={{ my: 3 }}>
+            <Typography variant='h1'>{t('form.addOrUpdateFeed')}</Typography>
+            <Alert severity='warning' sx={{ my: 2 }}>
+              {t('form.emailVerificationRequired')}
+            </Alert>
+            <Button variant='contained' href='/verify-email'>
+              Verify Email
+            </Button>
+          </Box>
+        )}
+        {isAuthenticated && isEmailVerified && (
           <>
             {showLoginSuccess && (
               <Alert
diff --git a/src/app/components/AccessRequiredPopover.tsx b/src/app/components/AccessRequiredPopover.tsx
index d9e9b7b3..73b843dd 100644
--- a/src/app/components/AccessRequiredPopover.tsx
+++ b/src/app/components/AccessRequiredPopover.tsx
@@ -63,7 +63,7 @@ export default function AccessRequiredPopover({
 }: AccessRequiredPopoverProps): React.ReactElement {
   const t = useTranslations('common');
   const pathname = usePathname();
-  const { isAuthenticated } = useAuthSession();
+  const { isAuthenticated, isEmailVerified } = useAuthSession();
 
   return (
     <Popover
@@ -96,6 +96,18 @@ export default function AccessRequiredPopover({
             <LoginButton pathname={pathname} onClose={onClose} />
           </Suspense>
         )}
+        {isAuthenticated && !isEmailVerified && (
+          <Button
+            variant='contained'
+            disableElevation
+            component={Link}
+            sx={{ width: '100%', mb: 1 }}
+            href='/verify-email'
+            onClick={onClose}
+          >
+            {t('verifyEmail') ?? 'Verify Email'}
+          </Button>
+        )}
         <Button
           variant='outlined'
           disableElevation
diff --git a/src/app/components/AuthSessionProvider.tsx b/src/app/components/AuthSessionProvider.tsx
index ccc887d6..1eb9af2c 100644
--- a/src/app/components/AuthSessionProvider.tsx
+++ b/src/app/components/AuthSessionProvider.tsx
@@ -36,6 +36,7 @@ interface AuthSession {
   uid: string | null;
   email: string | null;
   isAuthenticated: boolean;
+  isEmailVerified: boolean;
   displayName?: string | null;
 }
 
@@ -45,6 +46,7 @@ const AuthReadyContext = createContext<AuthSession>({
   uid: null,
   email: null,
   isAuthenticated: false,
+  isEmailVerified: false,
   displayName: null,
 });
 
@@ -84,6 +86,7 @@ export function AuthSessionProvider({
     uid: null,
     email: null,
     isAuthenticated: false,
+    isEmailVerified: false,
     displayName: null,
   });
   const intervalRef = useRef<ReturnType<typeof setInterval> | null>(null);
@@ -119,6 +122,7 @@ export function AuthSessionProvider({
           uid: user.uid,
           email: user.email ?? null,
           isAuthenticated: !user.isAnonymous,
+          isEmailVerified: user.emailVerified ?? false,
           displayName: user.displayName ?? null,
         });
         syncSession(user.uid, user.isAnonymous);
@@ -139,6 +143,7 @@ export function AuthSessionProvider({
           uid: null,
           email: null,
           isAuthenticated: false,
+          isEmailVerified: false,
           displayName: null,
         });
         dispatch(anonymousLogin());
diff --git a/src/app/screens/Feed/components/ClientSubscribeControls.tsx b/src/app/screens/Feed/components/ClientSubscribeControls.tsx
index 34a4d18a..6fa2f8ea 100644
--- a/src/app/screens/Feed/components/ClientSubscribeControls.tsx
+++ b/src/app/screens/Feed/components/ClientSubscribeControls.tsx
@@ -93,7 +93,7 @@ export default function ClientSubscribeControls({
   feedId,
 }: ClientSubscribeControlsProps): React.ReactElement | null {
   const { config } = useRemoteConfig();
-  const { isAuthenticated } = useAuthSession();
+  const { isAuthenticated, isEmailVerified } = useAuthSession();
   const {
     flags: { isNotificationsEnabled },
     isResolved: areFlagsResolved,
@@ -105,7 +105,8 @@ export default function ClientSubscribeControls({
   // Showing the lock in that window would be a wrong answer the user can click.
   const isAccessPending = isAuthenticated && !areFlagsResolved;
   const hasNoAccess =
-    !isAccessPending && (!isAuthenticated || !isNotificationsEnabled);
+    !isAccessPending &&
+    (!isAuthenticated || !isEmailVerified || !isNotificationsEnabled);
 
   const [snackbarMessage, setSnackbarMessage] = useState('');
   const [snackbarSeverity, setSnackbarSeverity] = useState<
diff --git a/src/app/store/profile-selectors.ts b/src/app/store/profile-selectors.ts
index 09ab7c78..489e8776 100644
--- a/src/app/store/profile-selectors.ts
+++ b/src/app/store/profile-selectors.ts
@@ -12,6 +12,10 @@ export const selectIsAuthenticated = (state: RootState): boolean =>
 export const selectIsAnonymous = (state: RootState): boolean =>
   state.userProfile.status === 'anonymous_login';
 
+export const selectIsEmailVerified = (state: RootState): boolean =>
+  state.userProfile.user?.isEmailVerified ??
+  state.userProfile.status === 'authenticated';
+
 export const selectUserProfileStatus = (state: RootState): string =>
   state.userProfile.status;