---
title: How do I block an email address or domain?
description: "To prevent a single address or entire domain from being able to send you email you first want to navigate to your Quarantine in SpamTitan. From there, navigate to Filter Rules -> User Block List. ![](/wp-content/uploads/support_images/spamtitan_manage_quarantine/1_user_block_list_tab.png) From this menu you…"
url: "https://www.caorda.com/support/spam/how-do-i-block-an-email-address-or-domain/"
updated: "2024-09-26"
category: Spam
tags:
  - Exchange
  - IMAP
  - POP
---

# How do I block an email address or domain?

To prevent a single address or entire domain from being able to send you email you first want to navigate to your Quarantine in SpamTitan. From there, navigate to Filter Rules -> User Block List.

![](/wp-content/uploads/support_images/spamtitan_manage_quarantine/1_user_block_list_tab.png)

From this menu you can control the addresses allowed to send you email.

![](/wp-content/uploads/support_images/spamtitan_manage_quarantine/2_blocked_address_domains_rules.png)

Blocked Email Addresses and Domains are available from this single page. To add a new domain or email click the Add button below the section you would like to add it to.

![](/wp-content/uploads/support_images/spamtitan_manage_quarantine/3_add_rule.png)

Adding an Email Address to the blocked Email Addresses section.

![](/wp-content/uploads/support_images/spamtitan_manage_quarantine/4_add_rule_domain.png)

Adding a domain allows you to block all senders from this domain, and also includes the option to block emails from subdomains of this main domain as well.