On 26/12/2021 17:51, Wietse Venema wrote:
Depends on what you mean with "accurate".
I mean the locally maintained IP RBL. It is critical as this will be
doing most of the rejection.
- With smtpd_delay_reject=yes, Postfix logs the client, helo, sender,
and recipient.
With delays set to ye
Lefteris Tsintjelis:
> On 25/12/2021 17:55, Wietse Venema wrote:
> >
> > Use fail2ban etc. to lock out bad clients, whether they fail SASL
> > requirements, rate limit requirements, or other requirements.
>
> I used to do it with fail2ban for a while and still use it in some cases
> but I wanted