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Sending manual HTML email inbox tests

How to send an Emailify HTML export to real inboxes for manual testing with htmltest.email.

Sending manual HTML email inbox tests ​

You can use htmltest.email to send an Emailify HTML export to real inboxes without setting up an email campaign. This is useful for checking a specific Gmail, Outlook, Apple Mail, or other inbox that you can access.

New recipient addresses must complete a one-time approval before htmltest.email can send them test emails. Approval messages are sent from [email protected].

Before you start ​

You'll need:

  • Your final Emailify HTML export
  • Publicly hosted image URLs in the exported HTML
  • Access to each inbox you want to test

Keep Upload Hosted Image URLs enabled when exporting from Emailify. If your HTML uses local img/ paths, host those images and update the paths before sending the test.

Send a manual inbox test ​

  1. Export your selected email from Emailify as HTML.
  2. Unzip the downloaded export and open the email's index.html file in a text editor.
  3. Copy the complete HTML source.
  4. Open htmltest.email.
  5. Enter up to five recipient email addresses.
  6. Complete the one-time recipient approval if htmltest.email requests it.
  7. Enter a subject line and keep HTML selected.
  8. Paste the Emailify HTML into the Email Content field.
  9. Optionally add a plain-text version. If you leave it empty, htmltest.email generates one from the HTML.
  10. Click Send Test Email.
  11. Open each recipient inbox and inspect the email on the intended device and email client.

What to check ​

  • The email arrives and opens without broken images.
  • Desktop and mobile layouts respond as expected.
  • Text, buttons, links, spacing, and backgrounds render correctly.
  • Light and dark mode remain readable.
  • Subject and preheader text appear as intended.

A manual test only shows how the email rendered in the inboxes and clients you actually opened. It does not test every client, guarantee future delivery, measure campaign deliverability, or reproduce changes that your production ESP may make to the HTML.

For broader client coverage, use Mailgun Inspect or Email on Acid. For general guidance, see Testing your HTML emails before sending.