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How to Use the “Do Not Email” List in Sparkle.io

Updated this week

A “Do Not Email” list is a crucial safeguard for any email outreach strategy. It helps you avoid sending messages to contacts who have unsubscribed, marked your emails as spam, or should not be contacted for legal or ethical reasons. By maintaining and strictly honoring this list, you protect your sender reputation and demonstrate respect for your audience’s preferences. Ignoring it can lead to higher bounce rates, spam complaints, and even hefty fines. In short, a well-managed “Do Not Email” list isn’t just a compliance checkbox — it’s a vital tool for building trust and achieving long-term email success.

Step 1: Go to Account Settings

  • Click your profile icon in the top-right corner of the Sparkle dashboard

  • Select “Account Settings” from the dropdown menu

Step 2: Open “Do Not Email List” from the Left Panel

  • Inside Account Settings, use the left-hand panel

  • Click on “Do Not Email List”

Step 3: Select Your Brand

  • If you manage multiple brands/workspaces, Sparkle will prompt you to select one

  • Click on the desired brand to manage its Do Not Email list.

Step 4: Choose the “Add Manually” Tab

  • The default tab is “Add Manually” — ensure it's selected

Step 5: Enter Emails or Domains to Block

  • In the “Enter Email or Domain” text area:

    • Type one email (e.g., [email protected])

    • Or a domain (e.g., @company.com) to block all emails from that domain

  • Paste multiple entries line-by-line

Step 6: Click “+ Add”

  • Click the “+ Add” button to confirm

Step 7: Optional Actions

  • Use Search or Filter to find specific entries

  • Click Delete to remove entries

  • Use Export CSV to download your blocklist

Step 8: Switch to “Upload From File” Tab

  • Click the “Upload From File” tab next to "Add Manually"

  • You’ll see a screen like this:

Step 9: Drag & Drop or Browse

  • Either drag and drop your .csv file or click “Browse” to select it

  • Your CSV should contain one email or domain per row

Step 10: Download Sample File

  • Click “Download Sample CSV” to see the correct format before uploading

Step 11: Click “Upload CSV” to Confirm

  • Once your file is ready, click “Upload CSV”

  • Sparkle will process the file and add all valid entries to your brand’s DND list

Step 12: Post-Upload Actions

  • Search or filter the updated list

  • Delete any entries manually

  • Select all will select all the contacts

  • Export the list anytime using “Export CSV”

Pro Tips for Using the Do Not Email List in Sparkle

1. Add Unsubscribed Leads Immediately

The moment someone asks to opt out, add them to the DNE list to stay compliant and respectful. All unsub request automatically added to DND.

2. Use Domains to Block Entire Companies

Want to avoid accidentally contacting a competitor or internal team? Just add their domain (e.g., @company.com) to block everyone under it.

3. Keep It Clean with Bulk Uploads

Migrating from another tool? Use the CSV upload feature to import all suppression data in one go.

4. Review Your List Monthly

Use the search and filter tools to audit your blocklist and remove outdated entries if needed.

5. Brand-Specific Control

Managing multiple brands? Each one has its own DNE list — so double-check you’re adding to the right workspace.

Final Thoughts

The Do Not Email List is more than a filter — it’s your silent guardian for reputation, compliance, and clean outreach. Whether you’re protecting sender score or honoring user preferences, Sparkle makes it effortless.

Keep your sends smart, your outreach sharp, and your list squeaky clean.

Sparkle responsibly. ✨

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