SSL сертификат для Postfix
Create a root private key: # openssl genrsa -out rootCA.key 2048 Change permissions of this private key to 400: # chmod 400 /usr/share/ssl/certs/postfix/rootCA.key Create self-singed root certificate: # openssl req -x509 -new -nodes -key rootCA.key -days 1024 -out rootCA.pem With the following data (change information to required): Country Name (2 letter code) [AU]:XX State or …