403 Gmail auth error – contacted hosting

Hi @littlereddiesel,

What kind of server log did they look at? There are Apache access/error logs, PHP error log, possible Nginx access/error logs, mod_security logs etc.
They need to check modsec_audit.log (or named similar, but specifically for mod_security).

Thanks for getting back to me. I copied and pasted your reply to them and they have just sent me a zip of access and error logs – just apache ones. One of the errors appearing frequently in these is: ‘No matching DirectoryIndex (index.php,index.html,index.htm,index.cgi,index.rb,index.py) found, and server-generated directory index forbidden by Options directive’ – is this relevant/helpful?
Quite frustrated as they don’t seem willing to help me and have just repeatedly changed file permissions on the server to no avail. As I don’t fully understand this could you possibly put together for me a question or set of directions they’ll need to follow to check the modsec_audit.log? Apologies this has been a painful process so far!

• This reply was modified 6 years, 5 months ago by littlereddiesel.

Do you have plesk to manage your website and domains? I got this fixed by disabling the web application firewall and authenticated the mail settings and switched the firewall on again.

@janarthanmano your solution worked great for me (disable Plesk WAP). Simple as can be, no code, no muss, no fuss. 30 seconds and it’s done. Thanks!