Registered Newsletters:
| Name | Country of origin | Sector |
|---|---|---|
| fahrrad.de | Germany | Shopping |
| prokon.net | — | Unknown |
| bdk.de | — | Unknown |
| cinemaxx.de | — | Entertainment |
| alternate.de | Germany | Shopping |
| ilpost.it | — | Unknown |
| humblebundle.com | United States of America | Games |
| vcd.org | — | Unknown |
| strato.de | Germany | Business-to-Business |
| termometropolitico.it | — | Unknown |
| convertkit-mail2.com | — | Unknown |
| seedmatch.de | Germany | Financial |
| globetrotter.de | Germany | Shopping |
| re-in.de | — | Unknown |
| pinterest.com | — | Unknown |
| bonsai.de | — | Unknown |
| aldi-sued.de | Germany | Shopping |
| engelhorn.de | Germany | Shopping |
| docmorris.de | — | Health |
| netzpolitik.org | Germany | Political Party / Politician |
| viaggiarelibero.it | — | Unknown |
| bunte.de | Germany | News |
| mail.de | Germany | Unknown |
| stern.de | Germany | News |
| theconversation.com | — | Unknown |