What should I do on server to set up for email module and make it work?

Question

I tested my site and found that the email module did not work.

Is there anything I need to configure or set up?

 

When I did email confirmation under my profile.

Error Info is as following:

Question2Answer fatal error:

Could not send email confirmation

Stack trace:

require() in index.php:31
require() in qa-index.php:175
qa_get_request_content() in qa-page.php:789
require() in qa-page.php:207
qa_send_new_confirm() in qa-page-confirm.php:54

Comments

I also got this problem. Were you able to figure it out?