SMTP-Zertifikat auf Port 587 (STARTTLS) mit openssl s_client ausgeben

print_smtp_certificate.sh

openssl s_client -starttls smtp -crlf -connect smtp,myserver.com:587 2>&1 </dev/null | sed --quiet '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' | openssl x509 -noout -text

openssl s_client -starttls smtp -crlf -connect smtp,myserver.com:587 2>&1 </dev/null | sed --quiet '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' | openssl x509 -noout -text

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