in my project, i need to send emails to the registered members of the site once every month. For this, i have setup a cron job on cpanel and it is working fine.

Whats my doubt is that, tomorrow the number of users in the site will increase and there would be thousands of users. Then does the cron job work as usual ?

I want to know, whether the cron can handle the task of sending emails to thousands of users at a time.

Please help.