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.

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 ...