Lib.rs

• kMail-alias Telegram Bot

A simple Telegram bot that facilitates management of e-mail aliases in Infomaniak's kMail on your proper domain.

kMail supports up to 50 aliases in the free plan (kSuite Standard) for a single-user e-mail on your own custom domain.

** Features

• Communicates with a single pre-configured telegram user based on their telegram user ID. You don't want random strangers to manage your e-mail aliases, so set the id to your user. You can get your user id from a user-id bot, or just by running this bot with a wrong user-id configured and sending it a message. It will respond to you with your user id. For example: #+begin_quote Unauthorized user 123456789, please contact the administrator #+end_quote then add "123456789" as the authorized_user_id in your kmail-alias.toml config.
• /add command to create an alias.
  • Accepts alias name (before '@' part) description (purpose)
  • In addition to creating the alias, also sends a test e-mail to the newly created address, with the provided description. This serves a double purpose of documenting the alias itself
• /list command to list all the aliases
• /remove command to remove an alias
• You can deploy this application using docker. See [[file:example-docker-compose-qnap-container-station.yaml][example NAS compose file]] for inspiration.

** Prerequisites Given that it is a Telegram bot, it requires a Telegram token to operate. You can get the token by creating a new bot using the @BotFather Telegram bot.

An Infomaniak API access token. You need access to the kMail aliases feature. I use it with my own custom domain. The free version includes up to 50 aliases, that I can add and remove at a whim. Follow their [[https://faq.infomaniak.com/2582][official documentation]]. You need the mail scope.

SMTP-client credentials. You need to open access to one of your existing e-mail accounts to enable the bot send probe e-mails on your behalf to the newly created alias. I used my gmail account. See "Option 2: Send email with the Gmail SMTP server" in [[https://support.google.com/a/answer/176600?hl=en][this official manual]]. You'll most likely want to crate an "App password" (in Account settings / Security / 2-Step Verification).

** Installation and running You have multiple options to use this application. In any case, you'll need to run it on a host that has access to the internet. It can run perfectly fine behind a NAS, you don't need to expose anything, as it only accesses public APIs. For it to be useful, you'll need to run it continuously, so something like a cloud instance or a NAS would be ideal. *** Docker Assuming your configuration file is "./kmail-alias.toml", you can run it directly with #+begin_src bash docker run -it --rm --mount type=bind,src=./kmail-alias.toml,dst=/kmail-alias.toml,ro azaostro/kmail-alias-bot #+end_src Or as a long-running Docker Compose service, using [file:docker-compose.yml] : #+begin_src docker compose up #+end_src The above commands use the published [[https://hub.docker.com/r/azaostro/kmail-alias-bot][container image from the Docker Hub]]. *** Cargo #+begin_src bash cargo install kmail-alias-bot #+end_src Will install it into the default location where Cargo keeps executables, e.g. "~/.cargo/bin". Once it is in your $PATH, and you have "kmail-alias.toml" file in your local directory, you can run it simply with #+begin_src kmail-alias-bot #+end_src *** Guix You can use the [[file:guix-package.scm][prepared package definition]] with all the dependencies not defined in the Guix master channel: #+begin_src bash guix shell -f guix-package.scm -- kmail-alias-bot #+end_src *** Git clone Finally, you can run the application directly from the repository clone, make sure you have OpenSSL and PKG-config installed, for example, with guix: #+begin_src guix shell rust rust-cargo openssl pkg-config RUST_LOG=debug cargo run #+end_src

** Configuration Copy [[file:test-config.toml][test configuration file]] as ./kmail-alias.toml and follow the comments to adjust the configuration values. ** Building the image I use [[https://guix.gnu.org/manual/en/html_node/Invoking-guix-pack.html][Guix pack]] to prepare a docker image that I then deploy on my QNAP NAS Container Station: #+begin_src bash guix pack --format=docker --file=guix-package.scm --entry-point=bin/kmail-alias-bot --root=docker-image.tar.gz docker load < docker-image.tar.gz docker tag rust-kmail-alias-bot azaostro/kmail-alias-bot:latest #+end_src Finally, to push it to Docker Hub: #+begin_src bash docker login docker push azaostro/kmail-alias-bot:latest #+end_src