Inbox Activity Checker

Safely email your dead or inactive list segments

Find out when your subscribers were last active in their inbox by seeing their most recent open and click date, even if you stopped mailing them ages ago. This information will let you pinpoint your active segments in any list . Mailing only your active segments will dramatically increase your open and click rates and virtually guarantee you avoid Spam Traps and Honey Pots, no matter how big or how old. 

Try Inbox Activity Checker for Free!

1) Upload your List --> 2) See the Matches --> 3) Buy the Results
(No Credit Card or Commitment Required)

How to Try Out the Inbox Mailer Activity Checker for FREE!

To try out the Inbox Mailer Activity Checker for yourself, follow these simple steps, or watch this quick walk-through video:​

  1. Find the CSV* file you want to run through the Inbox Activity Checker.
  2. In the file upload form below, click the “Choose File” button to select your CSV* file.
  3. Then click the “Upload” button.
  4. Your file will be run through the Activity Checker, and the results will be presented in a summary table below.

    Note: Depending on the size of the list, it may take a few minutes for your list to be checked. While this is happening, the status of your list will be set as “pending“.

  5. You will see how many subscribers we were able to find inbox activity data for and how many have activity within the last 30 days.
  6. To download the detailed results with the email addresses and dates, just click Order Results and you will be able to download  them directly for only $0.01 per matched record. No subscriptions or monthly fees required 

* Please make sure your CSV file fits the required format.

Upload a List to Get The Active Openers & Clickers!

Accepts CSV files up to 100MB.

*Large lists may take a while to check.

Step 2: See the Matches in the Below Table!

Name Status Total Emails Active Emails (%) Active Last 30 Days (%)
- - - - -

Required Formatting for CSV Files

Please be sure your CSV file fits the formatting requirements below.

  1. File does not exceed a size of 100MB.
  2. Emails or MD5 Hashes in your list are in a single column, with only one (1) email or hash on each line.