Epistles downloads and package repositories

Public distribution files for Epistles, a unified email client for Fastmail, Gmail, Exchange, ProtonMail, and IMAP.

Desktop and Android downloads

Debian / Ubuntu (apt)

curl -fsSL https://repo.epistles.com/epistles.asc \
  | sudo gpg --dearmor -o /etc/apt/keyrings/epistles.gpg
sudo curl -fsSL https://repo.epistles.com/epistles.sources \
  -o /etc/apt/sources.list.d/epistles.sources
sudo apt update && sudo apt install epistles

APT repository root: https://repo.epistles.com/apt

Fedora / RHEL (dnf)

sudo curl -fsSL https://repo.epistles.com/epistles.repo \
  -o /etc/yum.repos.d/epistles.repo
sudo dnf install epistles

RPM repository root: https://repo.epistles.com/rpm/

Flatpak

flatpak remote-add --if-not-exists epistles \
  https://repo.epistles.com/flatpak/epistles.flatpakrepo
flatpak install epistles com.epistles.Epistles

Arch Linux

curl -O https://repo.epistles.com/archlinux/PKGBUILD
makepkg -si

Builds and installs the prebuilt package from the PKGBUILD at https://repo.epistles.com/archlinux/PKGBUILD; sources are fetched from https://repo.epistles.com/archlinux/ and GPG-verified against the package-signing key (see the signature note below).

Verifying Linux signatures. Linux package artifacts and repository metadata are signed with the Epistles package-signing key. Repository metadata (InRelease, repomd.xml.asc, summary.sig) is verified automatically by apt, dnf, and flatpak. Individual binaries can be checked with gpg --verify epistles_x.y.z_arch.deb.asc epistles_x.y.z_arch.deb.

Public key. https://repo.epistles.com/epistles.asc fingerprint D36F0F88209515686AD4C1FBFD6D8CE0AA53A20B.