Here a list of feedback loops that you can easily enroll in:
- Gmail (Available for ESPs):
https://support.google.com/mail/answer/6254652?hl=en - Yahoo:
https://feedbackloop.yahoo.net - Hotmail:
https://support.msn.com/eform.aspx?productKey=edfsjmrpp&ct=eformts - AOL:
https://postmaster.aol.com/Postmaster.FeedbackLoop.php - Blue Tie:
https://feedback.bluetie.com/ - Comcast:
https://feedback.comcast.net/ - Cox:
https://fbl.cox.net/ - Earthlink:
https://support.earthlink.net/articles/customer-service/collection-of-best-practices-for-email-senders-on-the-earthlink-network.php - FastMail:
https://fbl.fastmail.fm/ - HostedEmail:
https://fbl.hostedemail.com/ - ItaliaOnLine:
https://fbl.italiaonline.it/ - La Poste:
https://fbl.postmaster.laposte.net/ - Mail.ru (domain-based):
https://postmaster.mail.ru/?lng=en_US - Outlook (Microsoft – also known as JMRP [Junk Mail Reporting Program] which is different from SNDS):
https://mail.live.com/mail/services.aspx - Rackspace:
https://fbl.apps.rackspace.com/ - Synacor:
https://fbl.synacor.com/ - Telenor:
https://fbl.online.no/ - Terra Brasil:
https://fbl.mail.terra.com.br/index.php?lang=en_US.utf8 - Time Warner Cable (RoadRunner):
https://feedback.postmaster.rr.com/ - Tucows (OpenSRS):
https://fbl.hostedemail.com/ - United Online:
https://www.unitedonline.net/postmaster/whitelisted.html - USA.net:
https://fbl.usa.net/ - Yandex:
https://yandexfbl.senderscore.net/ - Zoho:
https://fbl.zoho.com/
