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  • t

    Tor Houghton

    6 months ago
    Another thing I am pondering is how best to debug the SMTP connection. tcpdump shows me the dns lookup, and a connection to the correct port (465) but the server itself (exim) gives me a "TLS error on connection from <host/ip> SSL_accept: TCP connection closed by peer", while fleetdm pops up a "sending mail: could not dial smtp host: SMTP connection error" which suggests that the "dial deadline" has been reached.
  • zwass

    zwass

    6 months ago
    What do you get if you 
    curl -vv smtp://<host>:<port>
     from the host running your Fleet server?
    Does your server perhaps try to negotiate a TLS connection immediately rather than using STARTTLS?