Download · version 2.0.0

Dpunk Email Verifier for Windows

One EXE, nothing to install. Double-click it and the app opens in its own window. Sign in with your Dpunk account inside the app to activate it. No account yet? Start a 3-day free trial or choose a plan. New here? See Getting started.

Download for Windows Version 2.0.0 · DpunkEmailVerifier-bc11ce84.exe · 11.0 MB · 64-bit

System requirements

Operating system
Windows 10 or Windows 11, 64-bit
Download size
11.0 MB, single EXE, no installer
Window
Microsoft Edge or Google Chrome (app mode); falls back to your default browser
Network
Internet access for DNS lookups. Mailbox checks (SMTP, Pro and Enterprise) run on the Dpunk probe server, so a blocked port 25 does not matter; checking from your own PC needs outbound port 25 or a mail server on your PC
List size
Up to 1,000,000 rows per run on Pro and Enterprise, 100,000 on Essential
Activation
Sign in once inside the app, or paste a license key

Verify your download

Compare the SHA-256 checksum of the file you downloaded with this one. In PowerShell:

Get-FileHash .\DpunkEmailVerifier-bc11ce84.exe -Algorithm SHA256

SHA-256 of DpunkEmailVerifier-bc11ce84.exe

77b4e34e62d9508877afff49dc8e9a58f017b798259351a48e620180399bef1b

“Windows protected your PC”

SmartScreen shows this for any new program it has not seen often. Click More info, then Run anyway. The app only listens on your own computer and never sends mail.

Activation

Sign in inside the app

Your license is bound to one PC and checked on that PC. Signing in sets it up for you. See every step with pictures on the Getting started page.

  1. 1

    Open the app

    Double-click DpunkEmailVerifier-bc11ce84.exe. A short welcome tour opens, then the License screen.

  2. 2

    Sign in

    Choose Sign in to activate and use the email and password of your account on this website.

  3. 3

    No plan yet?

    Choose Start 3-day free trial on the same screen, or pick a plan and sign in again.

  4. 4

    Prefer a key?

    Choose I have a licence key, copy the Machine ID into Devices & keys and paste the key you get back. It starts DPUNK1.

Next

Verify your first list

Read the user guideLoading lists, reading verdicts, exporting. Set up SMTP probingDpunk probe server, direct, relay or this computer’s mail server. TroubleshootingWindow did not open, lots of unknowns, logs.