Thursday, July 15, 2004

cyrus imap ssl

Today, the certificate for my imap server expired, so I had to generate a new one. The problem was that I couldn't remember how I generated it the first time. I looked online to find some instructions, and I found these

openssl req -new -nodes -out req.pem -keyout key.pem
openssl rsa -in key.pem -out new.key.pem
openssl x509 -in req.pem -out ca-cert -req
-signkey new.key.pem -days 999

mkdir /var/imap

cp new.key.pem /var/imap/server.pem
rm new.key.pem
cat ca-cert >> /var/imap/server.pem

chown cyrus:mail /var/imap/server.pem
chmod 600 /var/imap/server.pem # Your key should be protected

echo tls_ca_file: /var/imap/server.pem >> /etc/imapd.conf
echo tls_cert_file: /var/imap/server.pem >> /etc/imapd.conf
echo tls_key_file: /var/imap/server.pem >> /etc/imapd.conf

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