Amazon Blocked Sellers From Using FedEx And Now We Know Why. by harry | Dec 19, 2019 | Toner News Main Forums Tonernews.com, December 19, 2019. USAAmazon Blocked Sellers From Using FedEx And Now We Know Why. Click on photo to read the article. Its Free! Click Here to Share your Success Stories with Tonernews.com and We'll Publish it for You!