Andre Rodier: > Hello, all. > > Is there a way, in postfix, to run a script when the authentication > fails, please ?
This is not built-in. Instead, you run a program that watches the
maillog file, and that triggers on authenication errors, or other
unwanted behavior.
> I would like to use nftables sets, with the timeout option, to ban IP
> addresses. I know fail2ban exists, but I am considering other options.
I suppose that fail2ban would do the job.
Wietse
