---
title: How to require STARTTLS connections for defined host names, IP addresses, and email senders
description: Use this screen to specify hosts, IP addresses, and MAIL FROM addresses that require the use of the STARTTLS extension in order to send or receive mail to or from your server.
---

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# How to require STARTTLS connections for defined host names, IP addresses, and email senders

## Use this screen to specify hosts, IP addresses, and MAIL FROM addresses that require the use of the STARTTLS extension in order to send or receive mail to or from your server.

From the MDaemon console, follow these steps:

1. Click **Security** on the menu bar.
2. Select **Security Manager (Settings)**
3. Expand **SSL & TLS**
4. Select **STARTTLS List  
   ![ssl tls starttls require list security](https://knowledge.mdaemon.com/hs-fs/hubfs/KBAs/ssl-tls_starttls-required-list.png?width=688&name=ssl-tls_starttls-required-list.png)**
5. Enter a host name, IP address, or 'Mail From' address on each line.
6. Click **Ok**

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