Re: openssl s_client gives "called a function you should not call"

On Thu, Nov 12, 2020, Paul de Weerd wrote:

> $ openssl s_client -starttls smtp -connect localhost:587

> RCPT TO: <weerd@weirdnet.nl>
^ = RENEGOTIATING

and the syntax is wrong too: NO space after colon, see the fine RFCs.

openssl(1):
When used interactively (which means neither -quiet nor -ign_eof have
been given), the session will be renegotiated if the line begins with an
R; if the line begins with a Q or if end of file is reached, the
connection will be closed down.


Use
rcpt to:<weerd@weirdnet.nl>

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