diff --git a/modules/client/back/methods/client/checkDuplicated.js b/modules/client/back/methods/client/checkDuplicated.js
new file mode 100644
index 0000000000..acaffbf428
--- /dev/null
+++ b/modules/client/back/methods/client/checkDuplicated.js
@@ -0,0 +1,64 @@
+module.exports = Self => {
+    Self.remoteMethod('checkDuplicatedData', {
+        description: 'Checks if a client has same email, mobile or phone than other client and send an email',
+        accepts: [{
+            arg: 'id',
+            type: 'number',
+            required: true,
+            description: 'The client id'
+        }],
+        returns: {
+            type: 'object',
+            root: true
+        },
+        http: {
+            verb: 'GET',
+            path: '/:id/checkDuplicatedData'
+        }
+    });
+
+    Self.checkDuplicatedData = async function(id, options) {
+        const myOptions = {};
+
+        if (typeof options == 'object')
+            Object.assign(myOptions, options);
+
+        const client = await Self.app.models.Client.findById(id, myOptions);
+
+        const emails = client.email ? client.email.split(',') : null;
+
+        const findParams = [];
+        if (emails.length) {
+            for (let email of emails)
+                findParams.push({email: email});
+        }
+
+        if (client.phone)
+            findParams.push({phone: client.phone});
+
+        if (client.mobile)
+            findParams.push({mobile: client.mobile});
+
+        const filterObj = {
+            where: {
+                and: [
+                    {or: findParams},
+                    {id: {neq: client.id}}
+                ]
+            }
+        };
+
+        const clientSameData = await Self.findOne(filterObj, myOptions);
+
+        if (clientSameData) {
+            await Self.app.models.Mail.create({
+                receiver: 'direccioncomercial@verdnatura.es',
+                subject: `Cliente con email/teléfono/móvil duplicados`,
+                body: 'El cliente ' + client.id + ' comparte alguno de estos datos con el cliente ' + clientSameData.id +
+                        '\n- Email: ' + client.email +
+                        '\n- Teléfono: ' + client.phone +
+                        '\n- Móvil: ' + client.mobile
+            }, myOptions);
+        }
+    };
+};
diff --git a/modules/client/front/basic-data/index.js b/modules/client/front/basic-data/index.js
index 0557332895..418663952c 100644
--- a/modules/client/front/basic-data/index.js
+++ b/modules/client/front/basic-data/index.js
@@ -12,6 +12,7 @@ export default class Controller extends Section {
         return this.$.watcher.submit().then(() => {
             const query = `Clients/updatePortfolio`;
             this.$http.get(query);
+            this.$http.get(`Clients/${this.$params.id}/checkDuplicatedData`);
         });
     }
 }
diff --git a/modules/client/front/create/index.js b/modules/client/front/create/index.js
index 1aa21c91e7..fb864282e6 100644
--- a/modules/client/front/create/index.js
+++ b/modules/client/front/create/index.js
@@ -10,9 +10,9 @@ export default class Controller extends Section {
     }
 
     onSubmit() {
-        return this.$.watcher.submit().then(
-            json => this.$state.go('client.card.basicData', {id: json.data.id})
-        );
+        return this.$.watcher.submit()
+            .then(json => this.$state.go('client.card.basicData', {id: json.data.id}))
+            .then(() => this.$http.get(`Clients/${this.client.id}/checkDuplicatedData`));
     }
 
     get province() {