[Dovecot] MS Exchange IMAP Proxy (Logging Auth Failures?)

[Timo Sirainen]

On 5.12.2011, at 19.16, Terry Carmen wrote:

> It's working beautifully!
> 
> Is there any way to get it to log failed login attempts with the user's IP address?

auth_verbose=yes

> I'd like to setup fail2ban to stop dictionary attacks, however even with debugging, the most I've been able to get it to say is:
> 
> Dec  5 12:11:30 machinename dovecot: auth: Debug: client out: FAIL#0111#011user=username

If you enabled auth_debug, it enabled auth_verbose also.. So you should have those log messages. Maybe they're being logged to a different file?