# isync mit Homebrew, apk, apt, dnf, MacPorts, Nix, pacman, zypper installieren

Prüfe Installationswege, Executables, Metadaten und Sicherheitshinweise für isync in AI-Agent-Workflows.

## Installation

```sh
sudo av install brew:isync
```

Weitere Installationsbefehle:

### macOS

- Homebrew (100%):

```sh
brew install isync
```

  Evidenz: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install isync
```

  Evidenz: MacPorts ports tree: mail/isync/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

### Linux

- apk (92%):

```sh
sudo apk add isync
```

  Evidenz: Alpine Linux edge package indexes: isync from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz

- Debian apt (92%):

```sh
sudo apt install isync
```

  Evidenz: Debian stable package indexes: isync from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz

- dnf (92%):

```sh
sudo dnf install isync
```

  Evidenz: Fedora Rawhide package metadata: isync from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst

- Nix (92%):

```sh
nix profile install nixpkgs#isync
```

  Evidenz: nixpkgs package indexes: pkgs/by-name/is/isync/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

- pacman (92%):

```sh
sudo pacman -S isync
```

  Evidenz: Arch Linux sync databases: isync from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz

- zypper (92%):

```sh
sudo zypper install isync
```

  Evidenz: openSUSE Tumbleweed package metadata: isync from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst

## Paketfakten

- **Paketschlüssel:** brew:isync
- **Paketmanager:** Homebrew
- **Version:** 1.5.1
- **Quellzusammenfassung:** Synchronize a maildir with an IMAP server
- **Homepage:** <https://isync.sourceforge.io/>
- **Generiert:** 2026-08-03T19:37:03+00:00

## Executables

- mbsync (Alias)
- mbsync-get-cert (Alias)
- mdconvert (Alias)

## Installationsverhalten

- Bottle: nicht verfügbar

## Version und Aktualität

- Seite generiert: 2026-08-03
- Manager-Version: 1.5.1
## Projektgeschichte und Nutzung

isync is a long-running Unix mailbox synchronizer whose user-facing command is mbsync. It synchronizes Maildir and IMAP4 mailboxes, propagating new messages, deletions, and flag changes in both directions for disconnected or local-first email workflows.

### Projektgeschichte

The project is hosted on SourceForge and identifies isync as the project name while explaining that mbsync is the executable name after major user-interface changes. The repository exposes early tags beginning at v0.1 and release branches from 0.9 onward, showing a project with old-school Unix mail roots.

The 1.x release line continued over many years, with SourceForge release directories showing 1.0.4 in 2008, 1.1.x in 2013-2015, 1.2.x in 2015-2017, 1.3.x in 2017-2021, 1.4.x in 2021, and 1.5.x in 2024-2025. The 1.5.0 release notes called out XDG base directory support while keeping old locations supported.

### Adoptionsgeschichte

isync became a standard tool for users who keep mail in local Maildir stores while reading or indexing mail with Unix tools. Package metadata shows it distributed by Homebrew, Debian, Ubuntu, Fedora, Arch, Alpine, MacPorts, Nix, and openSUSE-family repositories, which matches its role as a portable infrastructure utility rather than an application-specific client.

Its adoption overlaps with notmuch, mu, mutt, neomutt, local mail search, and scripted backup workflows where a deterministic command-line synchronizer is easier to reason about than a full graphical mail client.

### Wie es verwendet wird

A user writes an isyncrc or mbsyncrc file describing IMAP accounts, Maildir stores, channels, TLS/SASL authentication, and synchronization rules, then runs mbsync manually, from cron, or from a mail workflow hook.

The project emphasizes UID-based synchronization, one local state file per mailbox pair, safe operation while mailboxes are modified, TLS/SSL support, SASL authentication, and IMAP pipelining for speed.

### Warum Paket-Nerds sich dafür interessieren

isync is beloved package-manager material because it is small, scriptable, and composes with the rest of the Unix mail stack. The package name and executable-name mismatch is also a memorable bit of package trivia: install isync, run mbsync.

The 1.5.x move toward XDG paths is significant for dotfile and package users because it preserves old `~/.mbsyncrc` habits while allowing cleaner config placement under `$XDG_CONFIG_HOME`.

### Zeitleiste

- 2008: SourceForge release files include isync 1.0.4.
- 2013: isync 1.1.0 was published in the SourceForge release tree.
- 2017: isync 1.3.0 appeared after the 1.2.x line.
- 2021: isync 1.4.0 was published.
- 2024: isync 1.5.0 added XDG-based default config and state locations while keeping old locations supported.
- 2025: isync 1.5.1 was published.

### Related projects

- offlineIMAP and mailsync are named by the project as other mailbox synchronizers.
- Maildir, IMAP4, UIDPLUS, LITERAL+, TLS, SASL, and local mail tools such as mutt/neomutt and notmuch are part of the same practical ecosystem.

### Quellen

- <https://formulae.brew.sh/formula/isync>
- <https://isync.sourceforge.io/>
- <https://isync.sourceforge.io/mbsync.html>
- <https://sourceforge.net/p/isync/isync/ci/master/tree/>
- <https://sourceforge.net/projects/isync/files/isync/>
- <https://sourceforge.net/projects/isync/files/isync/1.5.0/>


## Sicherheitshinweise

broad file, network, media, or database tool signal. formula declares a Homebrew service.

- **Geiger-Risiko:** orange / mittel
- broad file, network, media, or database tool signal
- formula declares a Homebrew service


## Configuration and credential file locations

These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval.


## Configuration files

- Unix: $XDG_CONFIG_HOME/isyncrc, ~/.config/isyncrc, ~/.mbsyncrc

## Credential files

- Unix: $XDG_CONFIG_HOME/isyncrc, ~/.config/isyncrc, ~/.mbsyncrc
## Andere Paketmanager-Einträge

- Debian apt - isync - 1.5.1-1: normalized package name match | Debian stable package indexes: isync from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | IMAP and MailDir mailbox synchronizer | https://isync.sourceforge.net/
- Nix - isync: normalized package name match | nixpkgs package indexes: pkgs/by-name/is/isync/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
- Ubuntu apt - isync - 1.4.4-5build3: normalized package name match | Ubuntu 24.04 LTS package indexes: isync from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | IMAP and MailDir mailbox synchronizer | https://isync.sourceforge.net/
- apk - isync - 1.5.1-r1: normalized package name match | Alpine Linux edge package indexes: isync from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | IMAP and MailDir mailbox synchronizer | https://isync.sourceforge.io
- apk - isync-doc - 1.5.1-r1: normalized package name match | Alpine Linux edge package indexes: isync-doc from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | IMAP and MailDir mailbox synchronizer (documentation) | https://isync.sourceforge.io
- dnf - isync - 1.5.1-3.fc44: normalized package name match | Fedora Rawhide package metadata: isync from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst | Tool to synchronize IMAP4 and Maildir mailboxes | http://isync.sourceforge.net/
- pacman - isync - 1.5.1-2: normalized package name match | Arch Linux sync databases: isync from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz | IMAP and MailDir mailbox synchronizer | https://isync.sourceforge.io/
- zypper - isync - 1.5.1-1.5: normalized package name match | openSUSE Tumbleweed package metadata: isync from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst | Utility to synchronize IMAP mailboxes with local maildir folders | https://isync.sourceforge.io/
- MacPorts - isync: normalized package name match | MacPorts ports tree: mail/isync/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1


## Combined YAML source

View the package source record on GitHub. [combined/isync.yml](https://github.com/mxcl/pkgdb/blob/main/combined/isync.yml)


## Quellen

- pkg.so package database
- Geiger risk classifier
- curated configuration and credential file locations
- curated package history
- pkgdb category and tag curation
- external package-manager database matches
- cross-ecosystem install command graph