I'm pretty sure the answer is "no" but is there any way to proxy SMTP to different backend servers depending on recipient domain without terminating TLS on the proxy? Is SNI a thing that's commonly implemented for SMTP?
I'm pretty sure the answer is "no" but is there any way to proxy SMTP to different backend servers depending on recipient domain without terminating TLS on the proxy? Is SNI a thing that's commonly implemented for SMTP?
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