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. ✨