It has been a year of using imaps and the certificate expired.
On the imap server, do this:
# cd /etc/ssl/certs/ # openssl req -new -x509 -nodes -out imapd.pem -keyout imapd.pem -days 365 b> Generating a 1024 bit RSA private key ..........++++++ .....................................++++++ writing new private key to 'imapd.pem' ----- You are about to be asked to enter information that will be incorporated into your certificate request. What you are about to enter is what is called a Distinguished Name or a DN. There are quite a few fields but you can leave some blank For some fields there will be a default value, If you enter '.', the field will be left blank. ----- Country Name (2 letter code) [AU]:US State or Province Name (full name) [Some-State]:New Hampshire Locality Name (eg, city) :Merrimack Organization Name (eg, company) [Internet Widgits Pty Ltd]:Wildcat Learning Solutions Organizational Unit Name (eg, section) :Home Server Common Name (eg, YOUR name) :Marc Nozell Email Address :email@example.com #