> For the complete documentation index, see [llms.txt](https://help.tellius.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.tellius.com/settings/notifications/email-configuration.md).
# Email Configuration
Under **Settings → Workspace → Notifications → Email Configuration,** admins can set up the SMTP server that Tellius uses to send emails, such as alerts and notifications.
### SMTP server
**Server** *(required)*: The address of your SMTP mail server, for example `smtp.gmail.com`. You get this value from your email provider.
**Port** *(required)*: The port number the SMTP server uses, for example `465`. The correct port depends on your provider and the security type you choose.
**From Email** *(required)*: The email address that Tellius sends messages from, for example `alerts@tellius.com`. This is the address recipients see in the "From" field.
### Authentication
**Authentication** *(toggle)*: Turn this on if your SMTP server requires a username and password to send email. When it is on, the Security Type, Username, and Password fields below apply.
**Security Type**: The encryption method used for the connection, selected from a dropdown (for example, SSL). Choose the option your SMTP server and port require.
**Username (optional)**: The username used to sign in to the SMTP server, often the same as the From Email address.
**Password (optional)**: The password or app password used to sign in to the SMTP server. The value is hidden as you type.
### Testing and saving
**Validate connection**: Click this to test the SMTP settings before saving, so you can confirm the server, port, and credentials work.
Click **Save** to apply the configuration, or **Cancel** to discard your changes.
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