My friend and I are deploying an email/web/ftp server via gentoo. Currently we use qmail/vpopmail/courier-imap/squirrelmail. We are considering moving to a full courier-mta solution, particularly if it has what we want. It looks really great so far, but I have only one question. We need a "fully virtual" system with support for over a dozen domains, but we also really care about security; esmtp, ssl, etc. To do that you need a certificate. However, if my certificate is for domain1.tld, my system is not really very virtual for the users of domain2.tld, etc. That is a thing that is hard to resell, as it would be necessary to explain to people that the domain mismatch was ok. Not good. So, is it possible to have different certificates for each virtual domain? I want, for example, /usr/.../esmtpd.domain1.tld.pem, and so on for each domain, and each protocol. Vpopmail on my box puts things in /var/vpopmail/domains/(domain)/users/(user)/.maildir/ ... So, one could put the certificate in /var/vpopmail/domains/(domain)/, for example. (Of course adjusted for the courier-mta layout). Hmmm...

Thanks in advance for all of your help.

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