Charles A. Landemaine wrote:

Yes, I know, but regardless of quotas, with the current implementation
of email in web hosting companies (mbx or even Maildir these days),
most customers prefer downloading the mail to their own computer
(POP), it's faster than IMAP with thousands of messages. For the web
host, it means the customer's mailbox is always empty.

Nobody forces you as the provider to give clients IMAP. You can use only POP3 if you want to. It's a client's setting to delete the read message with POP3 btw, although the admin can force that too.

If they start
using DBMail, the users won't have any performance issue and will
start keeping a copy or their mails on the server and use IMAP. In
this case, their mailboxes will start using more and more space and
this will cost more to the web hosts.

Sorry, but I don't see how that's any different from other applications or storage methods. dbmail is no different from other MDAs regarding this.

Maybe you don't understand what dbmail exactly is yet. dbmail consists of several different programs:

* dbmail-smtp insterts messages into the database via pipes and smtp
* dbmail-lmtpd is a daemon used to insert messages into the db via lmtp
* dbmail-pop3d is a POP3 daemon.
* dbmail-imapd is a IMAP daemon.
* dbmail-timsieved is a daemon for managing sieve scripts
* dbmail-util is a commandline program for maintenance
* dbmail-users is a commandline program for user management
* dbmail-sievecmd is a commandline program for sievescript management
* dbmail-export is a commandline program for export mail in mbox format

And they all communicate with the database of your choice.

You don't have to use all of them, only those that you need.


Btw, IMAP is becoming more popular with public mail providers too, take GMail for example.


--
Aleksander Kamenik
system administrator
+372 6659 649
[EMAIL PROTECTED]

Krediidiinfo AS
http://www.krediidiinfo.ee/
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