mkdir /etc/postfix/ssl \\
cd /etc/postfix/ssl/ \\

#openssl genrsa -des3 -rand /etc/hosts -out smtpd.key 1024\\

openssl genrsa  -rand /vmlinuz -out smtpd.key 1536\\

chmod 600 smtpd.key \\
openssl req -new -key smtpd.key -out smtpd.csr \\
openssl x509 -req -days 3650 -in smtpd.csr -signkey smtpd.key -out smtpd.pem \\
openssl rsa -in smtpd.key -out smtpd.key.unencrypted \\
mv -f smtpd.key.unencrypted smtpd.key \\
openssl req -new -x509 -extensions v3_ca -keyout cakey.pem -out cacert.pem -days 3650 \\

\\
\\
smtpd_tls_cert_file=/etc/ssl/certs/smtpd.crt\\
smtpd_tls_key_file=/etc/ssl/private/smtpd.key