Found this server error
Server Error Log
Error Info
Zend_Mail_Protocol_Exception: Email to
viper357sa@gmail.com failed: AUTH failed - library/Zend/Mail/Protocol/Abstract.php:431
Generated By: viper357, 8 minutes ago
Stack Trace
#0 /home/marineaq/public_html/library/Zend/Mail/Protocol/Smtp/Auth/Login.php(93): Zend_Mail_Protocol_Abstract->_expect(334)
#1 /home/marineaq/public_html/library/Zend/Mail/Protocol/Smtp.php(217): Zend_Mail_Protocol_Smtp_Auth_Login->auth()
#2 /home/marineaq/public_html/library/Zend/Mail/Transport/Smtp.php(217): Zend_Mail_Protocol_Smtp->helo('localhost')
#3 /home/marineaq/public_html/library/Zend/Mail/Transport/Abstract.php(348): Zend_Mail_Transport_Smtp->_sendMail()
#4 /home/marineaq/public_html/library/Zend/Mail.php(1194): Zend_Mail_Transport_Abstract->send(Object(Zend_Mail))
#5 /home/marineaq/public_html/library/XenForo/Mail.php(175): Zend_Mail->send(Object(Zend_Mail_Transport_Smtp))
#6 /home/marineaq/public_html/library/XenForo/Mail.php(152): XenForo_Mail->sendMail(Object(Zend_Mail))
#7 /home/marineaq/public_html/library/DBTech/Mail/Action/Mail.php(759): XenForo_Mail->send('viper357sa@gmai...', 'viper357', Array, 'admin@marineaqu...', 'Admin only')
#8 /home/marineaq/public_html/library/DBTech/Mail/Application/Core.php(333): DBTech_Mail_Action_Mail->actionMailQueue()
#9 /home/marineaq/public_html/library/DBTech/Mail/XenForo/ControllerPublic/Mail.php(41): DBTech_Mail_Application_Core->runAction()
#10 /home/marineaq/public_html/library/XenForo/FrontController.php(351): DBTech_Mail_XenForo_ControllerPublic_Mail->actionIndex()
#11 /home/marineaq/public_html/library/XenForo/FrontController.php(134): XenForo_FrontController->dispatch(Object(XenForo_RouteMatch))
#12 /home/marineaq/public_html/index.php(13): XenForo_FrontController->run()
#13 {main}
Request State
array(3) {
["url"] => string(128) "https://www.marineaquariumsa.com/dbtech-mail/admin-only.3/mail?action=mail-queue&mailid=14&hash=075df789138db1305e63359bccb23d03"
["_GET"] => array(5) {
["action"] => string(10) "mail-queue"
["mailid"] => string(2) "14"
["hash"] => string(32) "075df789138db1305e63359bccb23d03"
["do"] => string(4) "mail"
["id"] => int(3)
}
["_POST"] => array(0) {
}
}