Recommendation for a reverse proxy+load balancer for mail servers

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nitin

Hi,

I am looking for suggestions for open source reverse proxy+load balancer software for mail servers in production. I looked at haproxy, but as far as I could figure it out, it can only load balance but not reverse proxy.

I have heard nginx can do it, but I am not sure.

Kindly recommend if you have first hand experience of using any such software.

Thanks in advance.

Nitin
 
nitin said:
I looked at haproxy, but as far as I could figure it out, it can only load balance but not reverse proxy.
Click to expand...
It's a (reverse) proxy, it's even in the name. That said, it can only proxy HTTP(S), not SMTP. It can load-balance plain TCP connections, but you can't do any of the fancy filtering like you can with HTTP traffic.
 
What problem are you trying to solve? You usually take a different approach when it comes to dealing with email (store and forward come to mind). Email isn't a 'real-time' protocol, it's perfectly fine if your mailserver is offline for a couple of minutes. Heck, mail typically only gets bounced after 5 days of not being able to deliver it.
 
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