Feb. 14, 2023, 7:22 p.m. | Marc Kranat

Sucuri Blog blog.sucuri.net

The Sucuri Firewall functions as a reverse proxy. A simple change to your DNS settings is all it takes to thoroughly filter incoming traffic to sniff and parse out bad requests from the good ones. However, these DNS changes can affect connectivity to your mail service if not properly implemented.


In fact, this is a very common issue that is regularly raised with our support team. The Sucuri WAF is not designed to support or filter your email — and …

bad best practices change connectivity dns email email server fact filter firewall functions infection issue mail malware malware infection problems proxy requests reverse reverse proxy security education server service settings simple sucuri sucuri firewall support team the good traffic

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