Show certificate info on SSL/STARTTLS

echo | openssl s_client -servername -connect 2>/dev/null | openssl x509 -noout -text
echo | openssl s_client -connect -starttls smtp 2>/dev/null | openssl x509 -noout -text

-- KoenMartens - 01 Mar 2020
Topic revision: r1 - 01 Mar 2020, KoenMartens
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