How to check the phpmail log in web hosting manager
Step 1: Log into your Ovipanel.
Step 2: In the mail manager module click PHP Maillog menu.
Step 3: A screen appears - On the right side of the screen you can see the mail details which are sent through PHP.
Step 4: On the left side there are options to unblock the PHP files, whitelist the PHP files. Also you can see the list of blocked PHP files and whitelisted PHP files.