These are a sanatized set of files that will allow SMTP relay functionality to M365 tenants. This is a semi-secure configuration (i.e. non-open relay). Additionally this relay was designed to be ...

ELK Stack 中文指南. Contribute to chenryn/ELKstack-guide-cn development by creating an account on GitHub.

Fatih is a freelance security researcher, penetration tester, and malware analyst. Since 2017, he has been actively working with many different software languages and technologies, especially C, C++, ...

The server suddenly (just this afternoon) started refusing external email because our Barracuda is allegedly listed in zen.spamhaus.com (though checking the IP on the ...