What Do ISPs Really Look At In Content: Deliverability Part VI

Anti-spam content filters used by ISPs have been in development for many years now. With so many ways for spammers to get their messages across, we look at reputation based methods (hijacking or rotating IPs, rotating from address, generating new domains to remove the reputation value). However with the global change to IPv6 on the horizon, focusing on content is becoming even more important.Read the full article