On 21/09/16 02:35, Jim Reid wrote:
> Spammers generally don’t pay that level of attention to SMTP responses, far
> less fine-tune their address lists and tools. These morons just find a victim
> host or botnet to blast out crap to a bazillion email addresses, not caring
> if any of them work or not or if their spam makes it as far as getting
> presented to a human victim.
I will second that. One of my "callers" - blocked by iptables -
has been sending me a couple of packets an hour since 11 August.