Our Reputation Network Blacklist offers providers access to the most comprehensive, accurate sender reputation profiles available. To further aid in filtering, providers can quickly compare the reputations of sender IPs via Sender Score. Our Certified Whitelist is composed of pre-screened, pre-approved senders, so you can avoid false positives and improve the performance of legitimate mail. Our whitelist offers the widest coverage in the world.Contact Us
Distinguish useful commercial email your customers rely on from the spam they hate with Certification from Return Path.
Block unauthenticated emails at the gateway to decrease phishing attacks.
Find out what other mailbox providers or mail administrators think of the senders who are mailing to your network.