authelia/docs/configuration/notifier/smtp.md
Amir Zarrinkafsh ff7f9a50ab
[FEATURE] Docker simplification and configuration generation (#1113)
* [FEATURE] Docker simplification and configuration generation
The Authelia binary now will attempt to generate configuration based on the latest template assuming that the config location specified on startup does not exist. If a file based backend is selected and the backend cannot be found similarly it will generate a `user_database.yml` based a template.

This will allow more seamless bootstrapping of an environment no matter the deployment method.

We have also squashed the Docker volume requirement down to just `/config` thus removing the requirement for `/var/lib/authelia` this is primarily in attempts to simplify the Docker deployment.

Users with the old volume mappings have two options:
1. Change their mappings to conform to `/config`
2. Change the container entrypoint from `authelia --config /config/configuration.yml` to their old mapping

* Adjust paths relative to `/etc/authelia` and simplify to single volume for compose
* Add generation for file backend based user database
* Refactor Docker volumes and paths to /config
* Refactor Docker WORKDIR to /app
* Fix integration tests
* Update BREAKING.md for v4.20.0
* Run go mod tidy
* Fix log_file_path in miscellaneous.md docs
* Generate config and userdb with 0600 permissions
* Fix log_file_path in config.template.yml
2020-06-17 16:25:35 +10:00

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---
layout: default
title: SMTP
parent: Notifier
grand_parent: Configuration
nav_order: 2
---
# SMTP
**Authelia** can send emails to users through an SMTP server.
It can be configured as described below.
```yaml
# Configuration of the notification system.
#
# Notifications are sent to users when they require a password reset, a u2f
# registration or a TOTP registration.
# Use only an available configuration: filesystem, smtp.
notifier:
# You can disable the notifier startup check by setting this to true.
disable_startup_check: false
# For testing purpose, notifications can be sent in a file.
## filesystem:
## filename: /config/notification.txt
# Use a SMTP server for sending notifications. Authelia uses PLAIN or LOGIN method to authenticate.
# [Security] By default Authelia will:
# - force all SMTP connections over TLS including unauthenticated connections
# - use the disable_require_tls boolean value to disable this requirement (only works for unauthenticated connections)
# - validate the SMTP server x509 certificate during the TLS handshake against the hosts trusted certificates
# - trusted_cert option:
# - this is a string value, that may specify the path of a PEM format cert, it is completely optional
# - if it is not set, a blank string, or an invalid path; will still trust the host machine/containers cert store
# - defaults to the host machine (or docker container's) trusted certificate chain for validation
# - use the trusted_cert string value to specify the path of a PEM format public cert to trust in addition to the hosts trusted certificates
# - use the disable_verify_cert boolean value to disable the validation (prefer the trusted_cert option as it's more secure)
smtp:
username: test
# Password can also be set using a secret: https://docs.authelia.com/configuration/secrets.html
password: password
host: 127.0.0.1
port: 1025
sender: admin@example.com
# Subject configuration of the emails sent.
# {title} is replaced by the text from the notifier
subject: "[Authelia] {title}"
# This address is used during the startup check to verify the email configuration is correct. It's not important what it is except if your email server only allows local delivery.
## startup_check_address: test@authelia.com
## trusted_cert: ""
## disable_require_tls: false
## disable_verify_cert: false
```
## Using Gmail
You need to generate an app password in order to use Gmail SMTP servers. The process is
described [here](https://support.google.com/accounts/answer/185833?hl=en)
```yaml
notifier:
smtp:
username: myaccount@gmail.com
# Password can also be set using a secret: https://docs.authelia.com/configuration/secrets.html
password: yourapppassword
sender: admin@example.com
host: smtp.gmail.com
port: 587
```
## Loading a password from a secret instead of inside the configuration
Password can also be defined using a [secret](../secrets.md).