335560 Ubuntu email server setup

I'm looking for help finishing up my mail server (on Ubuntu Hardy). The primary purpose of the mail server is to be a repository for emails that will be made available to a PHP script via imap_open()... the problem I'm encountering is in connecting the PHP script with the Maildir (I think my certificates are invalid). Otherwise, the mail server works fine (I use Postfix and Courier), so I'd primarily be looking to solve this connection problem. I'm receiving the following error message in my mail log, which I believe points to an issue with my SSL certificate (which I've purchased through GoDaddy):

mail imapd-ssl: couriertls: accept: error:14094418:SSL routines:SSL3_READ_BYTES:tlsv1 alert unknown ca

Also, if you're able to help pipe emails using .forward files, I'd be interested in enlisting your help with this as well.

I can provide you with full root access, provided that no additional user accounts are created. Thanks for reading!

Odd Jobs PHP Systemadmin

Projekt-id: #2081374

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