[Dovecot] Dovecot as a smart IMAP proxy

[Bill Boebel]

On Monday, March 6, 2006 15:43, Timo Sirainen said:

> > - per user concurrent connection limits
> > - per IP concurrent connection limits
> > - per user login rate limits
> > - per IP login rate limits
> > - IP access restrictions per user (looks like this is already possible)
> > - IP lockouts for brute force password crack attempts
> >
> I think dovecot-auth would be a good place to put all those
> restrictions. That would work with and without proxy. Since there can be
> multiple dovecot-auth processes, these would probably have to be kept in
> memory by yet another process which communicates with dovecot-auth
> processes. Or maybe master process could do it, hmm.
>

dovecot-auth might be able to make calls to Postfix's anvil server to
track all of this data.  Anvil serves a similar purpose for Postfix (and
does a great job) and was designed so that it can be reused by other
apps...

 http://www.postfix.org/anvil.8.html

Bill