How to Modify Email Filtering Rules in DuoCircle Services

Summary

This article provides instructions on modifying filtering rules in DuoCircle services such as Email Filtering Gateway, Phish Protection, Email Forwarding, and MX Backup. It covers how to create, edit, activate, deactivate, and delete filtering rules to control email traffic, allowing or blocking specific emails, domains, or top-level domains.

Objective

By the end of this article, users will be able to manage email filtering rules, override spam filters, and control the email flow for their domain in DuoCircle's services.

Introduction

Email filtering rules allow you to take control over the emails entering your domain. They can be used to override default spam filters, blacklist or whitelist specific email addresses or domains, and even block entire top-level domains (TLDs) such as .xyz. These rules are customizable and can help mitigate unwanted emails, phishing, and spam.

Prerequisites

  • Access to the DuoCircle portal.
  • An active DuoCircle service such as Email Filtering Gateway, Phish Protection, Email Forwarding, or MX Backup.
  • Administrative rights to modify email filtering rules.

Step-by-Step Instructions

1. Accessing Filtering Rules

  1. Log into the DuoCircle portal.
  2. Click on the Service menu item.
  3. Select My Services, and choose the service where you want to add or modify filtering rules.
  4. In the left-hand menu, click Filtering Rules.

2. Creating a New Filtering Rule

  1. Click the + Add Rule button.
  2. Select whether you want to block or allow a specific email address or domain.
  3. Input the filtering rule using a valid email address or domain (wildcards supported).
  4. Click Save to apply the rule.

Screenshot of Filtering Rules section

3. Editing an Existing Filtering Rule

  1. Click the Edit icon next to the filtering rule you want to modify.
  2. Make the necessary changes to the rule.
  3. Click Save to update the rule.

4. Activating/Deactivating a Filter

Click the Yes/No toggle button next to the rule to turn the filter on or off.

5. Deleting a Filter

  1. Click the Trash icon next to the filtering rule you want to delete.
  2. Confirm the deletion to complete the process.

Common Filtering Rule Formats

Here are some common formats for filtering rules:

Filter RuleDescription
[email protected]Filters emails from a specific email address.
*@email.comFilters all emails from a specific domain. Subdomains (e.g., *@sub.email.com) will not be filtered unless explicitly added.
*@*.abc.comFilters emails from all subdomains of a domain (e.g., [email protected]).
personName@*Filters all emails from a specific person across all domains.
personName.*@email.comFilters any email that starts with "personName" at a certain domain.
*@*.xyzFilters all emails from a specific top-level domain (TLD), such as .xyz.

Conclusion

By following the steps outlined above, you can successfully manage email filtering rules in DuoCircle services. These rules give you control over the emails entering your domain, helping you mitigate spam, phishing, and unwanted emails.