outages in NGINX servers

Many variables can cause network issues, often making finding the root cause of problems difficult. But there’s good news: You can use many free network troubleshooting tools to help you identify where the problem is.

Server error log contains lots of information that is generated by the SQL Server. The error log contains informational messages, warnings, and information about critical events. The error log also contains information about user-generated messages and auditing information such as logon events (success and failure).

A server connection failure means that one or both of the two servers (SMTP for sending, and POP or IMAP server for reading and receiving mail) are offline, or that the network connection between your mail client and the two servers is either misconfigured or disconnected, or possibly that the specified mail server host names are incorrect.