How to test email server (SMTP) using Telnet command
as a linux administrator, you may find it necessary to troubleshoot or test your simple mail transfer protocol (smtp) server to ensure it is working properly.
Tags : email server
Most cyber attacks focused on these 3 TCP ports only
small and medium-sized businesses can fully protect themselves from most cyber attacks by increasing defenses against ports that are most often targeted by malicious actors.
How to set up your own email server on Windows PC
today, almost all popular web-mail providers, including gmail, yahoo and outlook, regularly scan users' email, which is big data. so should lovers and privacy promotion surrender