> For the complete documentation index, see [llms.txt](https://docs.parallels.com/landing/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.parallels.com/landing/ras-mp-guide/farm-settings/mailbox.md).

# Mailbox

A mailbox configuration in a RAS Farm is used to send invitation emails to users to join a Parallels RAS Farm and to send event notifications to other email addresses. A Farm can have just one mailbox configured.

To configure a mailbox:

1. Navigate to **Farm Settings** > **Mailbox**.
2. Click **Edit** and specify the following:
   * **Mail server:** Enter the mailbox server name. For example, mail.company.com:500
   * **TLS / SSL:** Choose whether to use the TLS/SSL protocol.
   * **SMTP server requires authentication:** Select this option if your SMTP server requires authentication. If it does, also type the username and password in the fields provided.
   * **Sender information:** Enter the email address.
3. Click **Save**.


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