adhoc1

BigRock specific tag; content will be visible only to Customers/Sub-Resellers of BigRock.

Various SMTP Error Codes Explained

Specific Explanation of the 400 Error Codes occurring on our servers:

450 4.1.8 Sender address rejected: Domain not found

Our inbound servers require that the hostname for the sender server should have valid MX or A records in order to accept emails from it. You need to contact the sending server’s email admin to add valid DNS records for his server.

What is Cloudflare?

Cloudflare is a free service that accelerates and secures your website by acting as a proxy between your visitors and the servers. With Cloudflare, you can protect your website against malicious visitors, save bandwidth and improve average page load times.

Locations of Common Log Files on cPanel Servers

Log files on cPanel servers are not stored at the same location of the default OS installation. The locations of common log files are shared below.

Apache

Apache is the web server that is typically utilized by cPanel. On cPanel servers, Apache writes to a high number of logs as each site has its own traffic log.

  • The access_log is used to log all HTTP requests received. These requests can be valid or invalid. All of this gets logged in the access_log file.

    /usr/local/apache/logs/access_log