On 8/21/20 9:28 PM, Rob McEwen wrote: > ANNOUNCEMENT: The NEW invaluement "Service Provider DNSBLs" - 1st one for > Sendgrid-spams! > > ...a collection of a new TYPE of DNSBL, with the FIRST of these having a > focus on Sendgrid-sent spams. AND - there is a FREE version of this - that > can be used NOW! (/well... might need a SpamAssassin rule or two! Your help > appreciated!)/: > SpamAssassin plugin available at: https://github.com/bigio/spamassassin-esp/archive/esp-v0.1.tar.gz
We will work on improving this new type of DNSBL with more data and more features, stay tuned. Giovanni > INFO AND INSTRUCTIONS HERE: > > https://www.invaluement.com/serviceproviderdnsbl/ > > This provides a way to surgically block Sendgrid's WORST spammers, yet > without the massive collateral damage that would happen if blocking Sendgrid > domains and IP addresses. But we're NOT stopping at the phishes and viruses - > and we're not finished! There will be some well-deserved economic pain, that > puts the recipients' best interests at heart. Therefore, flagrant "cold > email" spamming to recipients who don't even know the sender - is also being > targeted - first with the absolute worst - and then progressing to other > offenders as we make adjustments in the coming weeks. > > -- Rob McEwen https://www.invaluement.com >
