Former DNC Chair Jaime Harrison has drawn significant criticism after uploading his 2020 Senate campaign email list to Sub, a move that appears to violate the platform’s terms of service. Substack’s guidelines mandate that all email subscriptions must be built through explicit opt-in, and Harrison’s method of importing contacts without prior consent has sparked outrage among users who were unknowingly added to his newsletter.
Substack’s rules state that publishers must not add people to their mailing list without their consent, and they must not import contacts lists or social graphs. The platform emphasizes that subscribers should have