Does hosteddomains not support ".domain.com"? Any reason against
supporting it? (I.e., would it break anything?)

Because that for a given domain in hosteddomains, .domain.com means that you
now have local mailboxes [EMAIL PROTECTED], [EMAIL PROTECTED], etc…


It's doubtful that you will want to insert an infinite number of records in
your LDAP, MySQL, or PostgreSQL database for each local mailbox.


But if one defined a record "[EMAIL PROTECTED]", then that same record could apply to both [EMAIL PROTECTED] and [EMAIL PROTECTED] It's in some ways the same thing as dash extensions - we have a mechanism for .courier-foo and .courier-bar to be generalized into 1 file (.courier-default) so that we don't have to define an infinite number of files; and we have a mechanism to collapse [EMAIL PROTECTED] and [EMAIL PROTECTED] into 1 entry ([EMAIL PROTECTED]) so we don't have to define an infinite number of addresses. Parts of Courier support the idea of collapsing any subdomain of a domain into 1 entry (esmtpacceptmailfor and bofh's ".domain.com"); but the other half still requires an infinite number of records.

It would be logical to be able to accept and deliver all email for <anything>.domain.com with the same dot-domain mechanism. Apply the same logic that's used for selecting a dash extension file: most specific is used; so email to "[EMAIL PROTECTED]" looks up entry "[EMAIL PROTECTED]", then if not found, "[EMAIL PROTECTED]", then "[EMAIL PROTECTED]", and finally, "[EMAIL PROTECTED]". "[EMAIL PROTECTED]" and "[EMAIL PROTECTED]" should be separate entries and not searched; otherwise there's no way to define a separate address space for the top level.

Given my understanding of Courier, I don't think this would break anything currently in use, and it seems like a logical fit to the rest of the spirit of how addresses can be defined. Is my thinking reasonable, or am I overlooking something that would cause this functionality to break?

best,
Jeff


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