diff --git a/src/main.rs b/src/main.rs
index 6a1d092..67c752a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -686,6 +686,42 @@ async fn add_mail(
     }
 }
 
+async fn add_alias(
+    state: State<Arc<AppState>>,
+    User(user): User,
+    Form(add): Form<Mail>,
+) -> Result<Redirect, Error> {
+    let has_mail = sqlx::query!(
+        "SELECT COUNT(*) FROM emails WHERE id != $1 AND mail = $2",
+        user,
+        add.mail
+    )
+    .fetch_one(&state.db)
+    .await?
+    .count
+    .expect("count should not be null");
+
+    if has_mail != 0 {
+        Ok(Redirect::to(&format!(
+            "/?{}",
+            serde_urlencoded::to_string(&HomeQuery {
+                user_error: Some(UserError::MailAlreadyExists)
+            })
+            .expect("could not generate query")
+        )))
+    } else {
+        sqlx::query!(
+            "INSERT INTO emails (id, mail, alias) VALUES ($1, $2, true) ON CONFLICT DO NOTHING",
+            user,
+            add.mail
+        )
+        .execute(&state.db)
+        .await?;
+
+        Ok(Redirect::to("/"))
+    }
+}
+
 #[tracing::instrument(skip(state))]
 async fn add_recipient(
     state: State<Arc<AppState>>,
@@ -790,6 +826,7 @@ async fn main() -> color_eyre::Result<()> {
         .route("/", get(home))
         .route("/mail/delete", post(delete_mail))
         .route("/mail/add", post(add_mail))
+        .route("/alias/add", post(add_alias))
         .route("/alias/recipient/add", post(add_recipient))
         .route("/alias/recipient/delete", post(delete_recipient))
         .route("/alias/delete", post(delete_alias))
diff --git a/templates/home.html b/templates/home.html
index 0aa6ad1..a851067 100644
--- a/templates/home.html
+++ b/templates/home.html
@@ -154,5 +154,14 @@
                 </li>
             {% endfor %}
         </ul>
+        {{ self::add_modal(modal_id="addAlias",
+                add_button="Add new alias",
+                button_classes="mt-2",
+                add_text="Add new alias",
+                action="/alias/add",
+                input_name="mail",
+                payload=[],
+                prefill=true) 
+        }}
     </div>
 {% endblock content %}