Den tors 12 nov. 2020 kl 22:15 skrev Paul de Weerd <we...@weirdnet.nl>:
> While trying to debug my smtpd setup, I got the error "called a > function you should not call" from openssl s_client: > > $ openssl s_client -starttls smtp -connect localhost:587 > <snip cert data> > EHLO <redacted> > > RCPT TO: <we...@weirdnet.nl> > RENEGOTIATING > > Is this something openssl s_client doesn't support? I notice that > "RENEGOTIATING" only comes after sending the RCPT TO: command to the > server. Futzing around with other commands before sending RCPT TO: > didn't get to RENEGOTIATING. Am I doing something wrong? Should I be > using some other tool? > I think anything starting with capital R in that case (s_client) gets parsed as RENEGOTIATING. As for why openssl complains about it is unknown to me, but that gotcha is old at least. from 2012: https://serverfault.com/questions/336617/postfix-tls-over-smtp-rcpt-to-prompts-renegotiation-then-554-5-5-1-error-no-v -- May the most significant bit of your life be positive.
