title: create mx record in route 53 in aws
body: <p>i have a domain working fine in elastistic benstalk and i want create a user mail now, and use workmail is expensive to me. I try create a user mail named sistema@playcursos.com. I using mx record in route 53. i config this value</p>
  
  <blockquote>
    <p>10 sistema.playcursos.com</p>
  </blockquote>
  
  <p>but i try a lot of times and not work</p>
  
  <p><a href="https://i.stack.imgur.com/M10tH.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/M10tH.png" alt="enter image description here"></a></p>
  
  <p>i use this tutorial for connect in thunderbir but i give a error.
  the thunderbird not found my acount config</p>
  
  <p><a href="https://i.stack.imgur.com/G5Jb4.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/G5Jb4.png" alt="enter image description here"></a></p>
  
  <p>and i config my credentials</p>
  
  <p><a href="https://i.stack.imgur.com/CMxw1.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/CMxw1.png" alt="enter image description here"></a></p>