OpenSSL – client connect

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Memo for testing ssl/startls connection:

StarTLS:

[leo@thinkleo2 ~]$ openssl s_client -connect mail.wide-net.org:25 -starttls smtp
CONNECTED(00000003)

[...]

Verify return code: 0 (ok)
---
220 srv01.mil1.wide-net.org ESMTP - Life is short talk fast!

SSL:

[leo@thinkleo2 ~]$ openssl s_client -connect mail.wide-net.org:465

CONNECTED(00000003)

[...]

Verify return code: 0 (ok)
---
220 srv01.mil1.wide-net.org ESMTP - Life is short talk fast!