Den 2016-12-28 kl. 21:40, skrev Noel Jones: > On 12/28/2016 1:03 PM, Martin Skjöldebrand wrote: >> The output indicates it will discard the rubbish. I must've remembered >> incorrectly or something. I'll spend some time later to look at the >> logs. Thanks all who commented. > > While it's very satisfying to DISCARD the rubbish, it's often > counterproductive. It's almost always better to REJECT unwanted mail. > > When you DISCARD, that means your mail server has to process the > entire message; REJECT will terminate the transaction before the > body of the email is sent, saving bandwidth and CPU, and freeing an > smptd process to accept more mail. > > When you DISCARD, the sender thinks you have accepted the mail; some > bad actors take this as an invitation to send you ever increasing > amounts of junk, wasting even more of your bandwidth and CPU.
Yes, of course seeing that now it makes perfect sense. Somehow I got it the otherway round ... I'll change this. /Martin S
