You might be interested on using https://github.com/PowerDNS/weakforced which is intended for deterring brute force attacks on clustered setups.
Logging auth attemps with auth policy API requires you run some web service that will perform the logging. Aki > On June 12, 2017 at 5:58 PM "j.emerlik" <j.emer...@gmail.com> wrote: > > > I need to save that to database because I have more then one mail server > and them must share each other failed login attempts information. > I'll try check how Dovecot Authentication Policy works. > > --JAcek > > 2017-06-12 16:50 GMT+02:00 Leonardo Rodrigues <leolis...@solutti.com.br>: > > > Em 12/06/17 09:39, j.emerlik escreveu: > > > >> Failed login attempts information may be useful in the > >> fight with bruteforce attacks. > >> > >> > > fail2ban is your friend, it can analyze the logs, no need for saving > > that on database. > > > > > > -- > > > > > > Atenciosamente / Sincerily, > > Leonardo Rodrigues > > Solutti Tecnologia > > http://www.solutti.com.br > > > > Minha armadilha de SPAM, NÃO mandem email > > gertru...@solutti.com.br > > My SPAMTRAP, do not email it > >
