Download SMTPReady

Download the public installer, then activate your licence from Polar on your Windows host.

01 · Installer

Download SMTPReady.

Signed Windows x64 MSI. No separate .NET installation is required.

SMTPReady for WindowsLatest release · .msi

Download MSI

02 · License

Activate this host.

One active Windows installation at a time. You can deactivate the old host later when you move the license.

Find your licence key in Polar’s purchase confirmation or customer portal. This website does not retrieve or store it.

smtpready license activate <license-key>

Check activation with smtpready license status.

03 · First sender

Now set up one sender.

Prepare the Windows listener and Microsoft 365 authorization before changing the printer, scanner, or app. The runbook keeps the first cutover reversible and proves each boundary before the next.

Open first-sender setup

Receipt · move host · exposed key

Manage this purchase.

Retrieve the receipt, rotate an exposed license key, or deactivate the old activation before moving SMTPReady to another Windows host.

Use the customer portal link supplied by Polar in your purchase confirmation.

Polar handles receipts and licence management.