← Firn Labs packages

Unkai Mail — Linux packages

pacman, apt and dnf repositories, signed by Firn Labs. Add one once, then update through your package manager like any other software.

Latest release: v0.5.0 · repositories rebuilt 2026-10-19 · release notes · all install methods

Arch Linux, CachyOS, Manjaro, EndeavourOS

Import and locally sign the packaging key, add the repository, install.

curl -fsSL https://firn-labs.github.io/packages/keys/firn-labs.asc | sudo pacman-key --add -
sudo pacman-key --lsign-key 5DF44E3B0086BA2276623A2A5AFF7E6FCB4F0F46

sudo tee -a /etc/pacman.conf <<'EOF'

[unkai-mail]
SigLevel = Required DatabaseOptional
Server = https://firn-labs.github.io/packages/unkai/arch/$arch
EOF

sudo pacman -Syu unkai-mail-bin

Updates arrive with every pacman -Syu. The package repacks the same .deb that Debian users install, so there is exactly one Linux build.

Debian, Ubuntu, Linux Mint, Pop!_OS

sudo install -d -m 0755 /etc/apt/keyrings
curl -fsSL https://firn-labs.github.io/packages/keys/firn-labs.gpg | sudo tee /etc/apt/keyrings/firn-labs.gpg >/dev/null
echo "deb [arch=amd64 signed-by=/etc/apt/keyrings/firn-labs.gpg] https://firn-labs.github.io/packages/unkai/apt stable main" | sudo tee /etc/apt/sources.list.d/unkai-mail.list

sudo apt update && sudo apt install unkai-mail

Updates arrive with apt upgrade.

Fedora, RHEL, AlmaLinux, Rocky, openSUSE

Fedora 41+ / dnf 5

sudo dnf config-manager addrepo --from-repofile=https://firn-labs.github.io/packages/unkai/rpm/unkai-mail.repo
sudo dnf install unkai-mail

RHEL / Alma / Rocky (dnf 4)

sudo dnf config-manager --add-repo https://firn-labs.github.io/packages/unkai/rpm/unkai-mail.repo
sudo dnf install unkai-mail

openSUSE

sudo zypper addrepo https://firn-labs.github.io/packages/unkai/rpm/unkai-mail.repo
sudo zypper refresh && sudo zypper install unkai-mail

Updates arrive with dnf upgrade / zypper update. Both the packages and the repository metadata are signed.

Signing key

Every Firn Labs repository is signed with one OpenPGP key. Compare the fingerprint before trusting it:

5DF4 4E3B 0086 BA22 7662 3A2A 5AFF 7E6F CB4F 0F46

firn-labs.asc (ASCII-armoured) · firn-labs.gpg (binary, for apt signed-by=) · FINGERPRINT