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ISP Feedback Loops
hardware edited this page Sep 21, 2018
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A Feedback Loop (FBL) is a system by which an Internet Service Provider provides the sender a copy of the message that one of their subscribers has reported as spam — usually by hitting a “report spam” button in that ISP’s mail interface.
ISPs offer feedback loops to qualified senders, so the senders can identify subscribers who no longer want to receive similar mail and/or any problems originating from their networks, such as virus-infected spam-producing machines.
This page summarizes the information about FBL signup pages, whitelist pages, and postmaster pages of most popular ISPs around the world.
ISP | FBL Signup | Whitelist Signup | Postmaster Page |
---|---|---|---|
AOL | AOL FBL signup | AOL Whitelist signup | AOL postmaster |
AT&T | does not provide | does not provide | AT&T postmaster |
Bellsouth | does not provide | does not provide | Bellsouth postmaster |
Comcast | Comcast FBL signup | does not provide | Comcast postmaster |
centrum.cz | Centrum FBL signup by email | does not provide | does not provide |
Cox | Cox FBL signup | does not provide | Cox postmaster |
Earthlink | Earthlink FBL signup | does not provide | does not provide |
Excite (Bluetie) | Excite FBL signup | does not provide | Excite postmaster |
FastMail | FastMail FBL signup | does not provide | does not provide |
Gmail | Gmail FBL signup (ESP only) | does not provide | Gmail postmaster |
Hotmail | Hotmail FBL signup | does not provide | Hotmail postmaster |
Mail.ru | Mail.ru FBL signup | does not provide | Mail.ru postmaster |
Outblaze | Outblaze FBL signup | does not provide | does not provide |
Rackspace | Rackspace FBL signup | does not provide | Rackspace postmaster |
Synacor | Synacor FBL signup | does not provide | does not provide |
Terra.com.br | — | does not provide | does not provide |
Tucows | Tucows FBL signup | does not provide | does not provide |
UnitedOnline (NetZero/Juno) | does not provide | UnitedOnline Whitelist signup | UnitedOnline postmaster |
USA.net | USA.net FBL signup | does not provide | USA.net postmaster |
Verizon | does not provide | Verizon Whitelist signup | does not provide |
XS4ALL | XS4ALL FBL signup | does not provide | does not provide |
Yahoo! | Yahoo! FBL signup | Yahoo! Whitelist signup | Yahoo! postmaster |
Yandex | Yandex FBL signup | does not provide | Yandex postmaster |
ZOHO | ZOHO FBL signup | does not provide | does not provide |