Blocklist Removal Center
FAQs  |  News Blog   

Safe DNSBLs for safe filters

Blocklist Removal

Blocked? To check, get info and resolve listings go to
Blocklist Removal Center

Blocklist Use

DNSBL Usage Terms
How Blocklists Work


Consumer Protection
The Definition of "Spam"
Email Marketing Guide


Datafeed service for ISPs
and commercial users

Register of Known Spam

ROKSO Policy & FAQs

ISP Area

ISP Area
ISP Abuse Desk FAQs

Spamhaus News

On the dubious merits of email verification services
Email verification services help avoid undeliverable messages in situations such as point-of-sale transactional e-mail, but they do not verify the permission of the address owner, which is the most important step to avoid spam when acquiring addresses for bulk emailing lists, nor do they verify whether a transactional message is sent to the same person as the person making the transaction.... (>)

© 1998-2015 The Spamhaus Project Ltd. All rights reserved.
Legal  |  Privacy