StartSSL証明書の指定方法

$ cd /etc/pki/tls/certs/
$ wget https://www.startssl.com/certs/ca.pem
$ wget https://www.startssl.com/certs/sub.class1.server.ca.pem

$ sudo vi /etc/postfix/main.cf
smtpd_use_tls = yes
smtpd_tls_cert_file = /etc/pki/tls/certs/startssl.crt
smtpd_tls_key_file = /etc/pki/tls/certs/server.key
smtpd_tls_CAfile = /etc/pki/tls/certs/ca.pem

$ sudo vi /etc/dovecot/conf.d/10-ssl.conf
ssl = yes
ssl_cert = </etc/pki/tls/certs/startssl.crt
ssl_key = </etc/pki/tls/certs/server.key
ssl_ca = </etc/pki/tls/certs/ca.pem

$ sudo cat startssl.crt sub.class1.server.ca.pem > /etc/nginx/conf/startssl_nginx.crt

$ sudo vi default.conf
server{

    ssl on;
    listen 443;
    ssl_certificate /etc/pki/tls/certs/startssl_nginx.crt;
    ssl_certificate_key /etc/pki/tls/certs/server.key;

}