diff --git a/5_Envio_de_mails.md b/5_Envio_de_mails.md
index 566f8e5..a1c6ea9 100644
--- a/5_Envio_de_mails.md
+++ b/5_Envio_de_mails.md
@@ -6,4 +6,47 @@
 
 ## Envio de Mails
 
-###
\ No newline at end of file
+### Libreria core.mail
+
+*settings.py* 
+```
+EMAIL_BACKEND = 'django.core.imail.backends.smtp.EmailBackend'
+EMAIL_HOST = 'smtp.gmail.com'
+EMAIL_USE_TLS = True
+EMAIL_PORT = 587
+EMAIL_HOST_USER = 'ejemplo@gmail.com'
+EMAIL_HOST_PASSWORD = 'clave-ejemplo'
+```
+[settings-doc](https://docs.djangoproject.com/en/dev/ref/settings/#email-host)
+[django.core.mail-doc](https://docs.djangoproject.com/en/3.0/topics/email/#module-django.core.mail)
+
+🔸️***python3 manage.py shell***
+```
+(InteractiveConsole)
+>>> from django.core.mail import send_mail
+>>> 
+>>> send_mail('Test Django Admin', 
+              'Mensaje desde la consola de django',
+              'webmaster@django.net',
+              ['destinatario@mail.com'],
+              fail_silently = False,
+    )
+```  
+  
+*views.py*
+```
+...
+from django.core.mail import send_mail
+from django.conf import settings
+
+...
+def contacto(request):
+    if request.method == "POST":
+        subject = request.POST['asunto']
+        message = request.POST['mensaje']+' '+request.POST['email']
+        email_from = settings.EMAIL_HOST_USER
+        recipient_list = ['ratablastard@gmail.com']
+        send_mail(subject, message, email_from, recipient_list)
+        return render(request, "gracias.html")
+    return render(request, "contacto.html")
+```