XF 1.5 last request failed

[NeoCHI]

I keep getting the following server error:

Error Info

Zend_Mail_Protocol_Exception: last request failed - library/Zend/Mail/Protocol/Pop3.php:190

Stack Trace

#0 /home/poring/public_html/library/Zend/Mail/Protocol/Pop3.php(222): Zend_Mail_Protocol_Pop3->readResponse(false)
#1 /home/poring/public_html/library/Zend/Mail/Protocol/Pop3.php(282): Zend_Mail_Protocol_Pop3->request('<snip>')
#2 /home/poring/public_html/library/Zend/Mail/Storage/Pop3.php(191): Zend_Mail_Protocol_Pop3->login(<snip>)
#3 /home/poring/public_html/library/XenForo/Model/EmailBounce.php(288): Zend_Mail_Storage_Pop3->__construct(Object(stdClass))
#4 /home/poring/public_html/library/XenForo/Deferred/EmailBounce.php(19): XenForo_Model_EmailBounce->openBounceHandlerConnection()
#5 /home/poring/public_html/library/XenForo/Model/Deferred.php(295): XenForo_Deferred_EmailBounce->execute(Array, Array, 7.9999988079071, '')
#6 /home/poring/public_html/library/XenForo/Model/Deferred.php(429): XenForo_Model_Deferred->runDeferred(Array, 7.9999988079071, '', false)
#7 /home/poring/public_html/library/XenForo/Model/Deferred.php(374): XenForo_Model_Deferred->_runInternal(Array, 8, '', false)
#8 /home/poring/public_html/deferred.php(23): XenForo_Model_Deferred->run(false)
#9 {main}

Request State

array(3) {
  ["url"] => string(40) "https://mysite.com/deferred.php"
  ["_GET"] => array(0) {
  }
  ["_POST"] => array(4) {
    ["_xfRequestUri"] => string(30) "/threads/rebirth-ll-guide.101/"
    ["_xfNoRedirect"] => string(1) "1"
    ["_xfToken"] => string(8) "********"
    ["_xfResponseType"] => string(4) "json"
  }
}

Any ideas?

 

[NeoCHI]

Nvm Fixed.

 

[Mike]

Just FYI, though I have removed it, that stack trace had a password showing for the email account in question. You may wish to change that password if you haven't already.