Feedbackloop: Difference between revisions

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! Name !! Registration Link !! IP/Domain based !! Note
! Name !! Registration Link !! IP/Domain based !! Note

Revision as of 21:12, 11 September 2023

Complaint Feedback Loops are feedback in form of ARF reports, usually sent by E-Mail to a previously registered address. Feedbackloops are sent by ISP's to senders when mail from the sender in question has been marked as SPAM. Some feedbackloops are registered by IP, meaning a complaint report is sent when a mail from a certain IP is marked SPAM, and others by domain, meaning a complaint report is sent when a mail from a certain domain is marked SPAM.

Complaint Feedback Loops have two functionalities:

  • To detect IPs, domains and brands that are sending unwanted E-Mail.
  • To unsubscribe recipients that have marked message(s) as SPAM.

List of free and independent feedbackloops

Complaint Feedback Loops
Name Registration Link IP/Domain based Note
1&1 Register via the Postmaster page. IP Only for mail.com, web.de and various gmx domains.
Earthlink fblrequest@abuse.earthlink.net IP E-Mail registration. Send it from the address that's to be registered and don't forget to mention your IPs!
Google Postmaster https://gmail.com/postmaster/ IP/Domain No E-Mail reports.
mail.ru https://postmaster.mail.ru/ Domain Read https://help.mail.ru/enpostmaster/technical-settings/fbl.
Microsoft https://postmaster.live.com/snds/JMRP.aspx IP E-Mail reports are not in ARF.
SpamCop https://www.spamcop.net/anonsignup.shtml IP Not directly provided by an ISP
Yahoo https://senders.yahooinc.com/contact Domain

In addition to the above list, it's possible to register for a list of collective Feedbackloops from various small ISPs via Validity's Feedbackloop Service (fbl.validity.com). It used to be a free service, but since September 2023, receiving ARF reports via E-mail via this service costs $1.500 per year. The service covers the following ISPs:

  • Bluetie
  • Comcast
  • Fastmail
  • gandi.net
  • LaPoste.net
  • Libero (Italiaonline)
  • Liberty Global (Chello, UPC, and UnityMedia)
  • Locaweb
  • OpenSRS/Hostedmail (Tucows)
  • Rackspace
  • Seznam
  • SFR
  • SilverSky
  • Swisscom
  • Synacor
  • Telecom Italia
  • Telenet
  • Telenor
  • Telstra
  • Terra
  • UOL
  • Virgilio
  • Virgin Media
  • Yandex
  • Ziggo

Standardisation

In May 2023, work on standardisation of registration to Complaint Feedback Loops via Complaint Feedback Loop Address Headers was started. Acceptance of this proposed standard would obsolete all paid or otherwise complicated feedbackloops, providing a standardised, open and free subscription mechanism.

Useful links