Spamhaus maintains and distributes a number of [[RBL|blocklists]] that assist in the prevention of exploitation, spam, and [[Malware]] from corrupted links. Many of Spamhaus' services are free of charge, so long as that use is "non-commercial" and the user is a "small [or] medium sized" organization that makes calls to Spamhaus servers or mirrors at a volume "reasonably expected in circumstances of non-commercial use." Large organizations or commercial providers may use Spamhaus services by subscription. | Spamhaus maintains and distributes a number of [[RBL|blocklists]] that assist in the prevention of exploitation, spam, and [[Malware]] from corrupted links. Many of Spamhaus' services are free of charge, so long as that use is "non-commercial" and the user is a "small [or] medium sized" organization that makes calls to Spamhaus servers or mirrors at a volume "reasonably expected in circumstances of non-commercial use." Large organizations or commercial providers may use Spamhaus services by subscription. |