update textbox

app.py

@@ -30,11 +30,11 @@ with gr.Blocks() as demo:
         user_mail = gr.Text(label='Gönderen Mail adresi', value=None)
         google_api_key = gr.Text(label="Google mail API anahtarı", value=None)
 
-    with gr.Row():
-        content = gr.Text(label='Gönderilecek mail metni', value="")
-
     with gr.Row():
         subject_text = gr.Text(label='Mail konusu', value="")
+    
+    with gr.Row():
+        content = gr.Textbox(label='Gönderilecek mail metni', value="", lines=3)
 
     with gr.Row():
         create_button = gr.Button('Gönder')