Clean your newsletter list before the next send
Old subscribers, typos and throwaway sign-ups add up. Verify your audience so campaigns reach real inboxes and stay out of spam.
- Six checks on every address
- A plain reason with every result
- Slow servers never cost a second credit
- 200 free credits, no card
The problem
Why bad addresses cost you
What goes wrong when a list is not verified.
Lists decay every month
Addresses go dead as people change jobs and providers.
Typos at sign-up
gmial.com and hotmial.com sign-ups never receive a thing.
Bounces hurt deliverability
High bounce rates make inbox providers filter your next campaign.
How it works
How SimpleCold fits in
Three steps, using the tools you already have.
- 01
Export and upload
Export your audience as a CSV from your email platform and upload it.
- 02
Remove what bounces
Drop Undeliverable and review Risky by reason.
- 03
Send to a clean list
Import the clean file back. Your next campaign goes only to addresses that can receive it.
What you get
What changes for your team
Every address comes back with a result and the reason behind it.
Cleaner audiences
Remove dead and mistyped addresses before they bounce.
Throwaway sign-ups caught
Disposable inboxes are flagged at sign-up or in your list.
Typos fixed at the source
Suggest the right address while people are still on your form.
Better inbox placement
Lower bounces tell inbox providers your list is healthy.
Integrations
Works with the tools you already use
Export your audience as a CSV, verify it and import the clean file back. Or check new sign-ups with the API.
Any CSV export
Upload a file from any CRM or email tool. Every column is kept, and Result, Reason and Suggestion are added to each row.
Upload a listPaste a list
Copy addresses from a spreadsheet and check up to 1,000 at once in the app. Or try 100 free, no sign-up.
Paste a listReal-time at sign-up
Check addresses on your forms as people sign up, and show the typo fix before they leave the page.
Learn moreREST API
Verify new contacts from your own code, or from any tool that can send an HTTP request with your API key.
Read the API docsFAQ
Email marketing questions
Short answers for teams like yours.
Still have a question? Talk to us.
Check your list before you send it
Start with 200 free credits. Pay per credit after that.