Openssl¶

Генерация запроса с ключем¶

openssl req -new -nodes -newkey rsa:2048 -sha256 -keyform PEM -keyout domain-wildcard-2014.key -outform PEM -out domain-wildcard-2014.csr -subj /C=RU/ST=Sverdlovskaya\ oblast/L=Yekaterinburg/O=OOO\ Big\ City\ Events/CN=*.domain.ru/emailAddress=support@domain.ru/

Generating a 2048 bit RSA private key
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writing new private key to 'domain-wildcard-2014.key'
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Подключение через STARTTLS к SMTP¶

echo QUIT | /usr/bin/openssl s_client -starttls smtp -ign_eof -connect mail.ekb-info.ru:25 2>/dev/null | openssl x509 -enddate -noout