I use check_sender_access and DISCARD to throw away about 1500-4000 messages a day from .top domains (which is about the volume of my legit email). I looked into it and most of them are registered to namecheap.com, which appears to sell the names for for $.98 each. I did a little research into Namecheap's reputation and I found one thread calling them friendly to spammers.
https://www.webhostingtalk.com/showthread.php?t=700628&page=4 Not sure what to think about it. James Reynolds On Sep 21, 2016, at 2:31 AM, Allen Coates <znab...@cidercounty.org.uk> wrote: > > 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. > > Allen C >
