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Describe setting up SMTP server with Sendgrid

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Eduardo Beltrame 2019-08-18 19:55:54 -07:00 committed by GitHub
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docs/configuring-playbook-email.md
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@ -7,6 +7,8 @@ This may or may not work, depending on your domain configuration (SPF settings,
By default, emails are sent from `matrix@<your-domain-name>` (as specified by the `matrix_mailer_sender_address` playbook variable).
**Note**: If you are using a Google Cloud instance, [port 25 is always blocked](https://cloud.google.com/compute/docs/tutorials/sending-mail/), so you need to relay email through another SMTP server as described below.
## Firewall settings
@ -31,6 +33,23 @@ matrix_mailer_relay_auth_password: "some-password"
**Note**: only the secure submission protocol (using `STARTTLS`, usually on port `587`) is supported. **SMTPS** (encrypted SMTP, usually on port `465`) **is not supported**.
### Configuations for sending emails using Sendgrid
An easy and free STMP service to set up is [Sendgrid](https://sendgrid.com/), the free tier allows for up to 100 emails per day to be sent. In the settings below you can provide any email for `matrix_mailer_sender_address`.
The only other thing you need to change is the `matrix_mailer_relay_auth_password`, which you can generate at https://app.sendgrid.com/settings/api_keys. The API key password looks something like `SG.955oW1mLSfwds7i9Yd6IA5Q.q8GTaB8q9kGDzasegdG6u95fQ-6zkdwrPP8bOeuI`.
Note that the `matrix_mailer_relay_auth_username` is literally the string `apikey`, it's always the same for Sendgrid.
```yaml
matrix_mailer_sender_address: "arbitrary@email.com"
matrix_mailer_relay_use: true
matrix_mailer_relay_host_name: "smtp.sendgrid.net"
matrix_mailer_relay_host_port: 587
matrix_mailer_relay_auth: true
matrix_mailer_relay_auth_username: "apikey"
matrix_mailer_relay_auth_password: "<your api key password>"
```
## Troubleshooting
If you're having trouble with email not being delivered, it may be useful to inspect the mailer logs: `journalctl -f -u matrix-mailer`.