Step 1: Search for Simple Notification Service

Step 2:  Click on Topics and Create a Topic button

Step 3: Configure Below details

       Type: Standard

      Name: SendMail

  Click on Create Topic

Step 4: Click on Subscription and Click on Create Subscription button

              Protocol : email

             End Point: email address

     Click on Create Subscription

Step 5: Goto your mentioned email and provide the confirmation for the subscription.

Step 6: Once the subscription is confirmed then select Topic SendMail and Click on Publish Message with subject and message body then the subscribers should recieve the message.