XF 1.5 Email Confirmation not working

[Monocerotis]

Help I'm going mad I'm not too sure whats gone wrong

array(3) {
  ["url"] => string(57) "http://wenjapvp.net/index.php?account-confirmation/resend"
  ["_GET"] => array(1) {
   ["account-confirmation/resend"] => string(0) ""
  }
  ["_POST"] => array(7) {
   ["recaptcha_challenge_field"] => string(206) "03AOP2lf7NS6QtuXhVPjfr7YWZkmNZe6q66OprGkBx_04aRWD_qUcx4o1R7OA89GbVE9zW08eTJSaGzYTFDANZqnoISF8C1nku7J21Il4TYB5kr56VVa5hZaIzB7HggbgQKv1fw-AyVS1w7uJQc3TDSJYoPsPm1ao0A1VUOQL2nPA5yGzBCXWpYLizr_98CYA36GobyUVq44ou"
   ["recaptcha_response_field"] => string(12) "warteg stato"
   ["_xfToken"] => string(8) "********"
   ["_xfConfirm"] => string(1) "1"
   ["_xfRequestUri"] => string(28) "/index.php?register/register"
   ["_xfNoRedirect"] => string(1) "1"
   ["_xfResponseType"] => string(4) "json"
  }
}

 

[Paul B]

What is the actual title of the error?

 

[Monocerotis]

Zend_Mail_Transport_Exception: Email to name@gmail.com failed: Unable to send mail. - library/Zend/Mail/Transport/Sendmail.php:137

 

[Paul B]

See point 1 here: https://xenforo.com/community/resources/email-troubleshooting-guide.5086/update?update=18729