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Add self-hosting email configuration docs + examples, correct SMTP setup for SendGrid/Mailgun-specific setup

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Tuan Dang
2022-12-24 11:10:56 -05:00
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---
title: "Email Configuration"
description: ""
---
Infisical requires you to configure your own SMTP server for certain functionality like:
- Sending email confirmation links to sign up.
- Sending invite links for projects.
- Sending alerts.
We strongly recommend using an email service to act as your email server and provide examples for common providers.
## General configuration
By default, you need to configure the following SMTP [environment variables](https://infisical.com/docs/self-hosting/configuration/envars):
- `SMTP_HOST`: Hostname to connect to for establishing SMTP connections.
- `SMTP_USERNAME`: Credential to connect to host (e.g. team@infisical.com)
- `SMTP_PASSWORD`: Credential to connect to host.
- `SMTP_PORT`: Port to connect to for establishing SMTP connections.
- `SMTP_SECURE`: If `true`, the connection will use TLS when connecting to server with special configs for SendGrid and Mailgun. If `false` (the default) then TLS is used if server supports the STARTTLS extension.
- `SMTP_FROM_ADDRESS`: Email address to be used for sending emails (e.g. team@infisical.com).
- `SMTP_FROM_NAME`: Name label to be used in `From` field (e.g. Team).
Below you will find details on how to configure common email providers (not in any particular order).
## Twilio SendGrid
1. Create an account and configure [SendGrid](https://sendgrid.com) to send emails.
2. Create a SendGrid API Key under Settings > [API Keys](https://app.sendgrid.com/settings/api_keys)
3. Set a name for your API Key, we recommend using "Infisical," and select the "Restricted Key" option. You will need to enable the "Mail Send" permission as shown below:
![creating sendgrid api key](../../images/email-sendgrid-create-key.png)
![setting sendgrid api key restriction](../../images/email-sendgrid-restrictions.png)
4. With the API Key, you can now set your SMTP environment variables:
```
SMTP_HOST=smtp.sendgrid.net
SMTP_USERNAME=apikey
SMTP_PASSWORD=SG.rqFsfjxYPiqE1lqZTgD_lz7x8IVLx # your SendGrid API Key from step above
SMTP_PORT=587
SMTP_SECURE=true
SMTP_FROM_ADDRESS=hey@example.com # your email address being used to send out emails
SMTP_FROM_NAME=Infisical
```
<Info>
Remember that you will need to restart Infisical for this to work properly.
</Info>
## Mailgun
1. Create an account and configure [Mailgun](https://www.mailgun.com) to send emails.
2. Obtain your Mailgun credentials in Sending > Overview > SMTP
![obtain mailhog api key estriction](../../images/email-mailhog-credentials.png)
3. With your Mailgun credentials, you can now set up your SMTP environment variables:
```
SMTP_HOST=smtp.mailgun.org # obtained from credentials page
SMTP_USERNAME=postmaster@example.mailgun.org # obtained from credentials page
SMTP_PASSWORD=password # obtained from credentials page
SMTP_PORT=587
SMTP_SECURE=true
SMTP_FROM_ADDRESS=hey@example.com # your email address being used to send out emails
SMTP_FROM_NAME=Infisical
```
<Info>
Remember that you will need to restart Infisical for this to work properly.
</Info>