Re: SMTPD delay rejects evaluation]

2021-12-26 Thread Lefteris Tsintjelis
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

Re: SMTPD delay rejects evaluation]

2021-12-26 Thread Wietse Venema
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