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What is AWS?
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Check reputation metrics of your AWS account
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Connecting AWS account with MailBluster
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Recipient address on Amazon SES suppression list
Manage IAM users across multiple brands in MailBluster
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Verify sender email address from MailBluster
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Remove email ID from the sender list to improve deliverability
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Set Custom MAIL FROM Domain in AWS
Importance of setting up custom mail from domain for DMARC alignment
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Configure a custom domain or subdomain for tracking
Prevent gmail from showing ‘via amazonses.com’
Reasons your AWS account gets paused and how to fix it
Resolve AWS account pause issue
Achieve positive sender reputation for new domain
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Disable open tracking for all campaigns sent from your Brand
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Fix DMARC alignment and SPF issues in Amazon SES using a custom mail from domain
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How to find details of a recipient complaint in Amazon SES
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Resend verification OTP from MailBluster
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White-Label solution
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MailBluster Affiliate Program: How It Works and Earns You Commissions
Sign up for MailBluster Affiliate Program
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Edit Campaign in MailBluster
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Remove MailBluster branding
Why MailBluster campaign sending takes time
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Send quick test email before campaigns
Send Test email using Merge Tags
Configure Double Opt-in in MailBluster
Difference between Standard Campaigns and Automation Campaigns
Send Campaign in plain text in MailBluster
Create and Send an Email Campaign
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Share email campaign from MailBluster
Add Unsubscribe link using Drag and Drop editor
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Add Unsubscribe link using WYSIWYG Editor
Email campaign is showing “outdated”
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Resolve Error: “Link/URL used in campaign content must be a maximum of 1000 characters long”
Warm up a new subdomain for large email audiences
Store images in MailBluster
Display a sender image in email campaign
Maximum file size of an image file
Add strikethrough in the subject line of email campaign
Add motion logo in email campaign
Text looks broken in campaign despite appearing fine in the editor
Use UTM for tracking in MailBluster using Google Analytics
Exceeding the email sending limit in MailBluster and its impact on campaigns
Resolve “Content is invalid, merge tag or block tag contains error”
Resolve “AWS connection is invalid” under the Sender email address
Short preheader text in email campaigns automatically populates
CTA Button URL is Showing 404 Error and Redirecting in Test Mail
Use Default Merge Tag in Email When Data is Missing

Set up an Action URL for your Brand in MailBluster

Last update: August 7, 2025

Mailbluster use it’s default base URL for your subscribe, unsubscribe and web version page.

If you want to change the default URL with your own, you need to set up an Action URL. You can set it using a subdomain of your sender domain.

For example, you can set it to https://subdomain.domain.com, and MailBluster will use this URL as the Action URL for your subscribe, unsubscribe and web version page.

You can configure this from the Brand > Settings > Custom URL tab in MailBluster. Just click on the Set up button.

Click on the Set up button.

Enter the subdomain along with the domain of your website. Then click Continue button.

Input the domain or subdomain of your website. Then click Continue button.

Configure the following DNS records in your domain cPanel. You need to add the CNAME record in your sender domain’s DNS record list that points to MailBluster’s domain secure.mbmail1.com. You also need to add these two TXT records as well.

Configure the DNS records in your domain cPanel.

Once the DNS records are propagated (maximum 48 hours), you will see the Status of the DNS records as Verified.

Once the DNS records are propagated (maximum 48 hours), you will see the Status of the DNS records as Verified.

Click on the Activate button to activate the Action URL.

Click on the Activate button to activate the Action URL.

Once the Action URL is Activated, it will show as ‘Active.’

Once the Action URL is Activated, it will show as 'Active.'

Now, click on Custom URL and then click on View in browser.

Now, click on Custom URL and then click on View in browser.

It will redirect you to the web page of your preferred Action URL you have just set.

Once View in browser is clicked it will redirect you to the Action URL you have just set.

After setting the Action URL, you can test the behavior by sending test emails to yourself. Once you set the Action URL, please make sure it’s working before sending your next campaign. You can test this by simply sending a test email campaign to yourself and check the behavior.