Question

How to set the certificate myself on debian8?

  • Posted October 13, 2015
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I am reading the material to build my email server. https://www.digitalocean.com/community/tutorials/how-to-set-up-a-postfix-e-mail-server-with-dovecot

Here is a something confused me in the material: Setting up SSL certificate For SSL, you need a certificate and a private key. In this tutorial, we’re going to assume that the certificate is saved in /etc/ssl/certs/mailcert.pem and the key is saved in /etc/ssl/private/mail.key. Make sure the key is only readable by the root user!

the certificate problem : we’re going to assume the certificate is saved in /etc/ssl/certs/mailcert.pem
In my server ls /etc/ssl/certs/mailcert.pem
ls: cannot access /etc/ssl/certs/mailcert.pem: No such file or directory My problem is : How to create the mailcert.pem myself?

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I am foolish,haha. openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /etc/ssl/private/mail.key -out /etc/ssl/certs/mailcert.pem The command create mail.key and mailcert.perm at the same time.