交流 请问没有邮箱验证是怎么回事

请看下我的设置，是否有问题？

测试注册，以及回复帖子都没有收到邮件。请问什么问题

 

Error Info
Zend_Mail_Protocol_Exception: Email to sales@visitchem.com failed: Connection refused - library/Zend/Mail/Protocol/Abstract.php:277
Generated By: Unknown Account, 4 minutes ago
Stack Trace
#0 /home/content/v/i/s/visi4991/html/mortartech/library/Zend/Mail/Protocol/Smtp.php(167): Zend_Mail_Protocol_Abstract->_connect('ssl://smtp.mxhi...')
#1 /home/content/v/i/s/visi4991/html/mortartech/library/Zend/Mail/Transport/Smtp.php(216): Zend_Mail_Protocol_Smtp->connect()
#2 /home/content/v/i/s/visi4991/html/mortartech/library/Zend/Mail/Transport/Abstract.php(348): Zend_Mail_Transport_Smtp->_sendMail()
#3 /home/content/v/i/s/visi4991/html/mortartech/library/Zend/Mail.php(1194): Zend_Mail_Transport_Abstract->send(Object(Zend_Mail))
#4 /home/content/v/i/s/visi4991/html/mortartech/library/XenForo/Mail.php(175): Zend_Mail->send(Object(Zend_Mail_Transport_Smtp))
#5 /home/content/v/i/s/visi4991/html/mortartech/library/XenForo/Mail.php(152): XenForo_Mail->sendMail(Object(Zend_Mail))
#6 /home/content/v/i/s/visi4991/html/mortartech/library/XenForo/Model/UserConfirmation.php(165): XenForo_Mail->send('sales@visitchem...', 'ccno')
#7 /home/content/v/i/s/visi4991/html/mortartech/library/XenForo/ControllerPublic/Register.php(424): XenForo_Model_UserConfirmation->sendEmailConfirmation(Array)
#8 /home/content/v/i/s/visi4991/html/mortartech/library/XenForo/FrontController.php(351): XenForo_ControllerPublic_Register->actionRegister()
#9 /home/content/v/i/s/visi4991/html/mortartech/library/XenForo/FrontController.php(134): XenForo_FrontController->dispatch(Object(XenForo_RouteMatch))
#10 /home/content/v/i/s/visi4991/html/mortartech/index.php(13): XenForo_FrontController->run()
#11 {main}
Request State
array(3) {
["url"] => string(49) "http://mortartech.com/index.php?register/register"
["_GET"] => array(1) {
["register/register"] => string(0) ""
}
["_POST"] => array(15) {
["username"] => string(0) ""
["0b626eae37ddc342f67b0ddbbd1ba7d1"] => string(4) "ccno"
["61180733d33a548187d8dd4a88d989f1"] => string(19) "sales@visitchem.com"
["password"] => string(8) "********"
["e51c1c6122cbe3ca6f10b75037fd1383"] => string(0) ""
["5cf3a3be6032cd6d28878876117cc1ac"] => string(4) "male"
["dob_month"] => string(1) "2"
["dob_day"] => string(2) "11"
["dob_year"] => string(4) "1987"
["ad7b0ede763a8aeed21794b654bc8858"] => string(14) "Asia/Hong_Kong"
["recaptcha_challenge_field"] => string(206) "03AI-r6f5m2f-YLUr-3TbT9bzGQ3NQ-P0krW63VTZ4bYcKsv5GSmx2hzqxkaNs2eRTow9pxCmYNiegQTJh_lPhyxmh7aUrCfHl465jpWsZN75LMuoQ_Za8r76wu05Il-iah7-I1vsJ-k93_PnE72FVwgMpo5L4pimauHD2KgbdctYkiMHUDem2Ntjy49CELyKK5jvQXNIdRmgB"
["recaptcha_response_field"] => string(10) "CALLE 1200"
["agree"] => string(1) "1"
["_xfToken"] => string(8) "********"
["reg_key"] => string(32) "11498ccc109931a16ac87c98d31816da"
}
}

 

我换了N个邮箱，都是这个错误，是版本问题吗？还是服务原因。