status-go/_assets/compose/mailserver/README.md

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# Status Mailserver
This folder contains setup for running your own Status Mailserver.
It uses:
* [Docker Compose](https://docs.docker.com/compose/) for managing the Status Mailserver container.
* [Makefile](https://www.gnu.org/software/make/) to simplify the process for the user.
# Requirements
This Makefile uses two tools: `jq` and `docker-compose`.
# Usage
To simply start a container run `make`, other commands include:
* `make start` - Starts the `status-go-mailserver` container.
* `make stop` - Stops the container.
* `make show` - Shows you current status of the container.
* `make logs` - Shows you logs of the container.
* `make config` - Creates `config.json` with your Public IP.
* `make enode` - Shows `enode://` address of the container.
# Settings
All settings are passed through environment variables:
* `PUBLIC_IP` - Your IP visible from the internet and advertised by the Mailserver.
* `LISTEN_PORT` - Mailserver TCP & UDP port, by default it's `30303` but you might want to use `443`.
* `RPC_PORT` - Control port making it possible to use the [JSON-RPC API](https://github.com/ethereum/wiki/wiki/JSON-RPC).
* `API_MODULES` - API modules to be made available via the `RPC_PORT`.
* `DATA_PATH` - Location of Mailserver storage and keys. (Default: `/var/tmp/status-go-mail`)
* `CONTAINER_NAME` - Name of the container that will be created.
* `REGISTER_TOPIC` - Mynamic mailserver discovery topic. (Default: `whispermail`)
* `MAIL_PASSWORD` - Basic HTTP auth password for mailserver. (Default: `status-offline-inbox`)
* `LOG_LEVEL` - Set level of log messages to show. (`ERROR`, `WARN`, `INFO`, `DEBUG`, `TRACE`)
# Known Issues
If the discovery of your Public IP does not work please simply export the `PUBLIC_IP` env variable.
You can also set `LISTEN_PORT` to something else to avoid firewall issues.
```bash
$ export PUBLIC_IP=1.2.3.4
$ export LISTEN_PORT=443
$ make
docker-compose up -d
Creating status-go-mailserver ... done
CONTAINER ID NAMES STATUS PORTS
bee56564926d status-go-mailserver Up 6 minutes 8080/tcp, 127.0.0.1:8545->8545/tcp, 30303-30304/udp, 0.0.0.0:30303->30303/tcp
Your mailserver is listening on: 1.2.3.4:443
Make sure that address and port are available from the internet!
Your enode address is:
enode://dccd2f3c1df42c23af6672df28f287893ab70a5d45668637576a759b6db10b83e83fc02598f36c80ac094fbf8621419153cfe539f56d278ab099da21800f880c@127.0.0.1:30303
```
# F.A.Q.
### Should I change the `MailServerPassword` in the `WhisperConfig` section for better security?
This password is only used to symmetrically secure history requests. It is not used to secure messages or authorize users in any way. Whisper protocol requires each messages to be encrypted so a client and mailserver needs to agree on some password.