Exchange and Email Security


#1

Hi All,

What are the downsides if I enable CloudFlare’s CDN on our in house Exchange and email security appliance?
We currently have it turned off to allow all traffic.

Thanks!


#2

Likely will stop working. Things like email, from, ssh tend to stop working unless you try connecting to them via the servers IP as opposed to hostname.

Take ftp for instance. If you connect to ftp.example.com but have it through cloudflare it won’t work. But if you try connecting to it via it’s ip address 2.2.24.3.3 then it will work.


#3

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