Hello,
Frankly, I'd ask you to justify having to meet both conditions. If they can use Webmail, why not let them use a "real" client? That's what we do here at NCSU.
That said, since you say you can meet condition 1, You might
create a proxy user who does all logins from the Webmail service.
Users would/should still have to authenticate to Webmail. After they
do that the proxy user actually logs in to the IMAP server. This would
probably take some work writing code on the webmail side of things though in order to make sure users don't do things to other users.
Unless of course a webmail client already supports doing this.
Regards, Earl Shannon
Bart Boelaert wrote:
Hello all,
Cyrus IMAP relies on Cyrus SASL for authentication purposes. I now want to set-up the following configuration : 1) Certain users should be allowed IMAP access from any host, all other users should use POP3 2) IMAP access should be allowed for all users, when they check their e-mail via webmail (which retrieves the mail via IMAP). Webmail is installed on a web server located near the mail server.
Currently saslauthd uses PAM and PAM connects to a MySQL database in order to verify the login credentials. There's also a PAM listfile that allows/denies access based on the service and username supplied by saslauthd (so, condition 1 is met).
So far, I didn't succeed in meeting condition 2. I already discovered (correct me if I'm wrong) that the saslauthd does not pass the remote host to PAM. Filtering on the remote host via a listfile would otherwise have solved my problem.
Can anyone give me an alternative for meeting both condition 1 and 2?
Thanks in advance!
Bart.
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