I downloaded this great open source app and am using it now. I don't
   yet see a way to import a key to verify any signatures, but it wouldn't
   be hard to add if missing ...

   On November 13, 2020 8:48:12 AM EST, "Hernâni Marques"
   <hernani@vecirex.net> wrote:

Hello again!
On 04.09.20 22:19, Hernâni Marques wrote:

     Dear Cypherpunks!
     We just released beta installers for macOS and Windows to engage in
     automatic email encryption with Thunderbird (v68 and v78), with
     in-band
     key exchange and a mechanism to synchronize own devices [0][1],
     using
     the same email address.
     => [1]https://pep.software/thunderbird
     (You also find software for Android, iOS and Outlook.)

     For Android and iOS, we now removed the price tag--you can download
     those apps (p≡p for Android and p≡p for iOS) free of charge:
     AppStore: [2]https://apps.apple.com/us/app/p-p/id1375458631
     F-Droid: [3]https://f-droid.org/en/packages/security.pEp/
     PlayStore:
     [4]https://play.google.com/store/apps/details?id=security.pEp
     Community forum is here:
     https://pEp.community/
     More software here:
     https://pEp.software/ (price tag for p≡p for Outlook stays)
     Greets --hernani

References

   1. https://pep.software/thunderbird
   2. https://apps.apple.com/us/app/p-p/id1375458631
   3. https://f-droid.org/en/packages/security.pEp/
   4. https://play.google.com/store/apps/details?id=security.pEp