One-page list of states that don't allow overseas voters to submit FPCAs by Email. Short explanation of when Mail and/or Fax submission is required for either registering to vote or requesting a ballot.
Also, which states allow overseas voters to use state websites to register to vote or request a ballot.
Direct Link: https://docs.google.com/document/d/1S4YE7ATQLy4WaSZfFO2tihTVLAl94qJdxM-OaLrOjYw/edit?usp=sharing