Hi, I've a Squeeze Perfect Server installation with Bind Dovecot and Apache2. After the above installation I installed Roundcube and everything was working fine. I installed a secure certificate recently with StartSSL using that how-to. It seems my own mail is no longer working, nor is anyone elses. I've noticed that under Monitor I do have several requests in the mail queue for the last several days only. There is nothing in mail.err log. Every hour root gets mail from cron saying ispconfig/server/server.sh with a warning: "There is no public key available for the following key id: xxxxx" I actual have a directory that's gone missing, where I keep my individual daily database backups. Not sure how that happened. I'm the only one with root password, but I haven't changed the password for a while. I would like to get mail working again but not sure where to look. Any help would be greatly appreciated. Thank you.