diff --git a/src/api/identity.rs b/src/api/identity.rs
index 59e585f0..90d356ee 100644
--- a/src/api/identity.rs
+++ b/src/api/identity.rs
@@ -17,7 +17,7 @@ use crate::{
         push::register_push_device,
         ApiResult, EmptyResult, JsonResult,
     },
-    auth::{generate_organization_api_key_login_claims, ClientHeaders, ClientIp},
+    auth::{generate_organization_api_key_login_claims, ClientHeaders, ClientIp, ClientVersion},
     db::{models::*, DbConn},
     error::MapResult,
     mail, util, CONFIG,
@@ -28,7 +28,12 @@ pub fn routes() -> Vec<Route> {
 }
 
 #[post("/connect/token", data = "<data>")]
-async fn login(data: Form<ConnectData>, client_header: ClientHeaders, mut conn: DbConn) -> JsonResult {
+async fn login(
+    data: Form<ConnectData>,
+    client_header: ClientHeaders,
+    client_version: Option<ClientVersion>,
+    mut conn: DbConn,
+) -> JsonResult {
     let data: ConnectData = data.into_inner();
 
     let mut user_id: Option<UserId> = None;
@@ -48,7 +53,7 @@ async fn login(data: Form<ConnectData>, client_header: ClientHeaders, mut conn:
             _check_is_some(&data.device_name, "device_name cannot be blank")?;
             _check_is_some(&data.device_type, "device_type cannot be blank")?;
 
-            _password_login(data, &mut user_id, &mut conn, &client_header.ip).await
+            _password_login(data, &mut user_id, &mut conn, &client_header.ip, &client_version).await
         }
         "client_credentials" => {
             _check_is_some(&data.client_id, "client_id cannot be blank")?;
@@ -144,6 +149,7 @@ async fn _password_login(
     user_id: &mut Option<UserId>,
     conn: &mut DbConn,
     ip: &ClientIp,
+    client_version: &Option<ClientVersion>,
 ) -> JsonResult {
     // Validate scope
     let scope = data.scope.as_ref().unwrap();
@@ -262,7 +268,7 @@ async fn _password_login(
 
     let (mut device, new_device) = get_device(&data, conn, &user).await;
 
-    let twofactor_token = twofactor_auth(&user, &data, &mut device, ip, conn).await?;
+    let twofactor_token = twofactor_auth(&user, &data, &mut device, ip, client_version, conn).await?;
 
     if CONFIG.mail_enabled() && new_device {
         if let Err(e) = mail::send_new_device_logged_in(&user.email, &ip.ip.to_string(), &now, &device).await {
@@ -520,6 +526,7 @@ async fn twofactor_auth(
     data: &ConnectData,
     device: &mut Device,
     ip: &ClientIp,
+    client_version: &Option<ClientVersion>,
     conn: &mut DbConn,
 ) -> ApiResult<Option<String>> {
     let twofactors = TwoFactor::find_by_user(&user.uuid, conn).await;
@@ -538,7 +545,10 @@ async fn twofactor_auth(
     let twofactor_code = match data.two_factor_token {
         Some(ref code) => code,
         None => {
-            err_json!(_json_err_twofactor(&twofactor_ids, &user.uuid, data, conn).await?, "2FA token not provided")
+            err_json!(
+                _json_err_twofactor(&twofactor_ids, &user.uuid, data, client_version, conn).await?,
+                "2FA token not provided"
+            )
         }
     };
 
@@ -585,7 +595,7 @@ async fn twofactor_auth(
                 }
                 _ => {
                     err_json!(
-                        _json_err_twofactor(&twofactor_ids, &user.uuid, data, conn).await?,
+                        _json_err_twofactor(&twofactor_ids, &user.uuid, data, client_version, conn).await?,
                         "2FA Remember token not provided"
                     )
                 }
@@ -617,6 +627,7 @@ async fn _json_err_twofactor(
     providers: &[i32],
     user_id: &UserId,
     data: &ConnectData,
+    client_version: &Option<ClientVersion>,
     conn: &mut DbConn,
 ) -> ApiResult<Value> {
     let mut result = json!({
@@ -689,8 +700,16 @@ async fn _json_err_twofactor(
                     err!("No twofactor email registered")
                 };
 
-                // Send email immediately if email is the only 2FA option
-                if providers.len() == 1 {
+                // Starting with version 2025.5.0 the client will call `/api/two-factor/send-email-login`.
+                let disabled_send = if let Some(cv) = client_version {
+                    let ver_match = semver::VersionReq::parse(">=2025.5.0").unwrap();
+                    ver_match.matches(&cv.0)
+                } else {
+                    false
+                };
+
+                // Send email immediately if email is the only 2FA option.
+                if providers.len() == 1 && !disabled_send {
                     email::send_token(user_id, conn).await?
                 }