On Sat, 2007-11-03 at 17:25 +0530, Abhijit Hoskeri wrote: > > Another way would be to do this in dovecot-auth, but if it's done > > there it should be done asynchronously (or in auth worker processes) > > and doing async dns lookups would require some async dns library.. > > Now, I think I understand why you had not done something like this already.
I hadn't actually even thought this far. My main concern was that the DNS lookups are synchronous without a separate library. > * When you say auth-worker processes, do you mean I need to create a > separate helper program just to do DNS lookups? No, I mean some passdbs in Dovecot are already set with blocking=TRUE flag, in which case Dovecot uses separate "dovecot-auth -w" processes to handle them. But if you're looking up hosts only from files, or if you assume that your DNS lookups are really fast always, you can just ignore this.
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