Certificate

Security Certificate

To configure a SSL certificate for TLS and/or SSL over SMTP:

1. Abstract: Create Certificate

   Generate key

   Generate signing request

   Sign the key

   Create server certificate

   Set permission

   Set owner

   Copy into place

   Restart services

2. Self-Signed Certificate
   1. openssl genrsa -out x.key 2048
   2. openssl req -new -key x.key -out x.csr
   3. openssl x509 -req -days 3650 -in x.csr -signkey x.key -out x.crt
   4. cat x.crt x.key > servercert.pem
   5. chmod 644 servercert.pem
   6. chown root:qmail servercert.pem
   7. cp -p servercert.pem /var/qmail/control