Re: [Fail2ban-users] Postfix: running a script on authentication failure

2023-06-22 Thread Nick Howitt via dovecot
On 2023-06-22 12:58, André Rodier via Fail2ban-users wrote: Hello, all. I just set-up a new server, running postfix, with submission(s) activated on standard ports (587, 465) Shortly after it has been setup, I see brute force attacks (not surprising) from a whole /24 network (more surprising)

Re: [Fail2ban-users] Postfix: running a script on authentication failure

2023-06-22 Thread André Rodier via dovecot
On Thu, 2023-06-22 at 16:27 +0100, Nick Howitt via Fail2ban-users wrote: > > > On 2023-06-22 12:58, André Rodier via Fail2ban-users wrote: > > Hello, all. > > > > I just set-up a new server, running postfix, with submission(s) > > activated on standard ports (587, 465) > > > > Shortly after it