Spamhaus
An international anti-spam organization that maintains IP and domain reputation databases, such as the Spamhaus Block List, providing the basis for anti-spam reputation scoring for email service providers.
Timeline (last 90 days)
Email service providers and anti-spam organizations (such as Spamhaus) maintain a reputation score for each sending IP, based on factors including complaint rate, spam trap hit rate and sudden changes in sending volume.
IP blacklists maintained by major ISPs (such as Spamhaus and SORBS) and domain reputation databases remain highly vigilant toward unfamiliar senders
All Facts (2)
Email service providers and anti-spam organizations (such as Spamhaus) maintain a reputation score for each sending IP, based on factors including complaint rate, spam trap hit rate and sudden changes in sending volume.
50%UnverifiedIP blacklists maintained by major ISPs (such as Spamhaus and SORBS) and domain reputation databases remain highly vigilant toward unfamiliar senders
50%