[Dovecot] Under POP attack - now to prevent?

[Timo Sirainen]

On Jun 5, 2009, at 2:07 AM, henry ritzlmayr wrote:

> Interesting for me is that you are on v1.2RC4. Timo wrote yersterday
> that with v1.2+ after every login failure the delay for the next  
> attempt
> should grow. When I take a look at your timestamps this is obviously  
> not
> working on your system.

That's because the client disconnects between attempts. Currently the  
delay increase is done only within a single session.