--- title: Ad Rotation & Unique Delivery description: Setting up ad rotation and unique delivery in your newsletter and on your website. --- [Skip to content](https://help.indiegraf.com/ad-rotation-unique-delivery#main-content) English Show submenu for translations [Publisher Portal](https://portal.indiegraf.com/tickets?hsLang=en) [![Indiegraf-PrimaryLogo-FullColor-1](https://help.indiegraf.com/hs-fs/hubfs/Indiegraf-PrimaryLogo-FullColor-1.png?width=262&height=60&name=Indiegraf-PrimaryLogo-FullColor-1.png)](https://help.indiegraf.com/?hsLang=en) Open main navigation Close main navigation - English Show submenu for translations - [Publisher Portal](https://portal.indiegraf.com/tickets) How can we help you? - There are no suggestions because the search field is empty. 1. [Indiegraf](https://help.indiegraf.com/?hsLang=en) 2. [Indie Ads Manager (IAM)](https://help.indiegraf.com/indie-ads-manager-iam?hsLang=en) January 12, 2026 # Ad Rotation & Unique Delivery ## Setting up ad rotation and unique delivery in your newsletter and on your website. How to further customize ad serving by editing zone properties, particularly how often a viewer sees individual ad items. Unique Delivery allows you to place a zone multiple times and have each instance of that zone show ads from different campaigns. Adjusting ad persistence gives you the option to have users see different ads if they open the email again after a certain period. #### **How to Adjust Display Ad Persistence & Unique Delivery** 1. Go to the section of the relevant email zone (Your Indie Ad Manager \> Publishers \> Your Publisher \> Your Zone). 2. Click on **Edit Zone Properties** on the right menu. The Edit Zone window will appear. 3. Click on the switch under **Unique Delivery** to toggle the feature on or off. 4. Click **Specific** under **Ad Persistence Window** to enable ad rotation. Enter a value and choose between minutes or days in the dropdown menu. 5. Click **Save Changes**. #### **Ad Rotation & Unique in Email Zones** You can further customize email ad serving by editing its zone's properties, particularly how often the viewer sees individual ad items. Unique delivery allows you to place a zone multiple times in the same email newsletter and have each instance of that zone show ads from different campaigns. Adjusting ad persistence gives you the option to have users see different ads if they open the email again after a certain period of time.   #### **How to Adjust Email Ad Persistence & Unique Delivery** 1. Navigate to the relevant email zone. 2. Click ***Edit Zone Properties*** on the right menu. The Edit Zone window will appear. 3. Click the switch under Unique Delivery to toggle this feature on or off. 4. Click ***Specific*** under Ad Persistence Window to enable ad rotation. Enter a value and choose between minutes or days in the dropdown menu. 5. Click ***Save Changes***. #### **Unique Delivery in Preview & Test Emails** Unique delivery may not display correctly in test emails or email previews. This happens because, in a test environment, the EUID (Email Unique Identifier) is not properly replaced with actual data. As a result, the system may still show the same campaign multiple times in the preview or test emails, which can cause confusion. In contrast, when an email is sent live, the EUIDs are correctly replaced with real values, allowing the unique delivery system to recognize that the campaign has already been shown to the recipient. 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