My web server is CaddyServer and I’m using CaddySSL. Im getting below error when I send emails securely via TLS.
**SSL_connect returned=1 errno=0 state=error: dh key too small**
My OS: Ubuntu 20.01
Can anyone please help me solve this. Thank you in advance!
Caddy is an HTTP server. SMTP is not HTTP. Caddy is not the right tool to proxy SMTP connections.
You may use
caddy-l4 which would allow you to proxy connections at the TCP level GitHub - mholt/caddy-l4: Layer 4 (TCP/UDP) app for Caddy
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