PHP Warning: mail(): Failed to connect to mailserver at "localhost" port 25, verify your "SMTP" and "smtp_port" setting in php.ini or use ini_set() in C:\wamp64\www\osticket\upload\include\pear\Mail\mail.php on line 153It failed to connect to the mailserver, and/or you do not have the mail server set in your php.ini.Since you haven't told us how you have mail configured we have no way of determining which it is.If your planning on using php mail to send then you need to set the mail server for it to use in the php.ini and then restart Apache.If you plan on using SMTP then you should check firewalls on the machine. And then make sure that the machine has permission to talk to the mail server, and then make sure that the account has permission to send SMTP.