Or use openssl s_client -starttls smtp -connect <hostname or IP>:25 for tls on port 25 (in case port 465 is not configured on your server or the configuration differs from port 25)
Am Dienstag, 15. Oktober 2019, 11:30:42 CEST schrieb Bill Cole: > On 15 Oct 2019, at 11:15, Julien Michaux wrote: > > Do you have a way to test authentification with smtps ? > > openssl s_client -connect <hostname or IP>:465 > > That will negotiate an SSL/TLS connection with the given host on port > 465 (smtps) and leave you inside the encrypted session as if you'd used > 'telnet <hostname>:25'
