Mail Abuse Prevention System

MAPS (Mail Abuse Prevention System)MAPS RBL
The Mail Abuse Prevention System (MAPS) is an organization that provides anti-spam support by maintaining a DNSBL.wikipedia
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Paul Vixie

Dave Rand and Paul Vixie, well known Internet software engineers, started keeping a list of IP addresses which had sent out spam or engaged in other behavior they found objectionable.
In 1998 he cofounded Mail Abuse Prevention System (MAPS), a California non-profit company with the goal of stopping email abuse.

Trend Micro

HousecallTrend Micro UKTrend Micro, Inc.
In June 2005, Trend Micro, Inc. acquired Kelkea, which brought substantial improvement to the subscription mechanism, including a fully automated method for getting temporary subscriptions.
Kelkea developed Mail Abuse Prevention System (MAPS) and IP filtering software that allowed internet service providers to block spam and phishing scams.

Anne P. Mitchell

As the first lawsuits came in, MAPS brought in Anne P. Mitchell as their Director of Legal and Public Affairs.
She joined Mail Abuse Prevention System (MAPS), the first formal anti-spam organization, as Director of Legal and Public Affairs.

DNSBL

DNS blacklistsDNS-based Blackhole Listreal-time blackhole list
The Mail Abuse Prevention System (MAPS) is an organization that provides anti-spam support by maintaining a DNSBL.

Simple Mail Transfer Protocol

SMTP8BITMIMEemail protocol
Furthermore, it paves the way for effectively exploiting policies like SPF, which rely upon end-user SMTP authentication in order to block email address abuse.

Nonprofit organization

non-profitnon-profit organizationnonprofit
MAPS was founded in 1996 as a non-profit organization to pioneer innovative anti-spam techniques (e-mail).

Whitelisting

whitelistwhite listapplication whitelisting
In addition, subscribers were provided with personalised web pages where they can view reports, and also set up whitelisting and blacklisting options (whitelisting is particularly convenient, as it allows to whitelist thousands of IP addresses with a few clicks).

Blacklist (computing)

blacklistblacklistsBlacklisting
In addition, subscribers were provided with personalised web pages where they can view reports, and also set up whitelisting and blacklisting options (whitelisting is particularly convenient, as it allows to whitelist thousands of IP addresses with a few clicks).

Sender Policy Framework

SPFsender policies
Furthermore, it paves the way for effectively exploiting policies like SPF, which rely upon end-user SMTP authentication in order to block email address abuse.

Regional Internet registry

regional Internet registrieslocal Internet registryNumber Resource Organization
When coupled with the ability to easily whitelist IPs by local Internet registry/region to correct obvious shortcomings, using the DUL to block mail may result in an obscure policy that jeopardizes the global reliability of email delivery.

Email spam

spame-mail spamspam email
The acronym MAPS is spam spelled backwards.

Anti-spam techniques

anti-spamspam filteringantispam
MAPS was founded in 1996 as a non-profit organization to pioneer innovative anti-spam techniques (e-mail).

Spam Prevention Early Warning System

SPEWSOsirusoft
By remaining anonymous, the SPEWS admins presumably wanted to avoid harassment and lawsuits of the sort which have hampered other anti-spam services such as the MAPS RBL and ORBS.

Bennett Haselton

In 2003, Haselton found out that the PeaceFire.org domain had been placed on a blacklist by the Mail Abuse Prevention System (MAPS) list because of complaints that his ISP, Media3 Technologies, refused to cut off service to companies suspected of "doing business with spammers."

Dynamic/Dialup Users List

Dialup Users List
The DUL subsequently was absorbed by Mail Abuse Prevention System (MAPS) in 1999.

Response policy zone

It follows on from the Mail Abuse Prevention System project which introduced reputation data as a mechanism for protecting against email spam.