Start with these checks

  1. Confirm that the license is active and the computer has internet access.
  2. Open Settings and check for an AeroMailer update.
  3. Read the complete error message or toast.
  4. Confirm the relevant SMTP, campaign, contact, or integration setting.
  5. Restart the app only after confirming that no important modal or test is still processing.

Contact support

Use the User Guide, Feedback, or WhatsApp Support links at the bottom of the AeroMailer sidebar. When reporting a problem, include the AeroMailer version, operating system, page, exact steps, and error text.

Never send support your SMTP password, AI key, Google credentials, full license key, or unredacted contact database.