title: failed to authenticate on smtp server in laravel
body: <p>when i am trying to send mails using smtp in laravel application i am having this error</p>
  
  <p><a href="https://i.stack.imgur.com/S8p8q.png" rel="nofollow noreferrer">error</a></p>
  
  <p>i thought the error is is app but when i upload app on another server the mails are going good.
  but on the centos server which is having cpanel is facing this error while sending mail. even i have disabled smtp restrictions in whm.</p>
  
  <p>i am using a laravel application to send email . to sending mails i amd adding smtp server. when i start sending mail 2000 mails get sent but after that all mails gets blocked and are not sent out of the server</p>