Email is not working

Now, my system installed OJS version 3.0.2 but email function is not working. I don’t know why.
Please, support for me. Thank you very much.

Please check with your server administrator how it is configured mail server. IS it installed and if if there is mail server is it configured properly.
After that sending mail with OJS should be easy .

Please, we need more informations about file in SMTP section, also your server smtp…