TempMailito
Advertisement160 × 600Reserved placement

Free email QA tool

Email forwarding simulator

Preview raw email format, generate mailto links, and simulate delivery scenarios for QA and developer testing.

Create temporary inbox

Generated email preview

Raw email format

Raw email (RFC 822)
From: noreply@example.com
To: inbox@tempmailito.shop
Subject: Your verification code
Date: Sun, 28 Jun 2026 21:23:23 GMT
Message-ID: <1782681803066@tempmailito.shop>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8

Your code is 849201. It expires in 10 minutes.
Mailto link
mailto:inbox@tempmailito.shop?subject=Your%20verification%20code&body=Your%20code%20is%20849201.%20It%20expires%20in%2010%20minutes.
Subject preview
Your verification code
Your code is 849201. It expires in 10 minutes.

When this helps

Use this simulator before sending test emails to temporary inboxes. Preview subject lines, body content, and mailto links for signup flows, transactional emails, and QA test cases.

QA checklist

  • Verify subject line length and truncation.
  • Check body content formatting in plain text.
  • Test mailto links for contact forms and support pages.
  • Preview raw email headers for debugging.

Related tools

TempMailito angle

After simulating an email here, send the real test message to a temporary inbox and verify delivery, formatting, and verification code extraction.

View API docs

FAQ

Email forwarding simulator questions

What does the Email Forwarding Simulator do?

It generates a raw RFC 822 email preview from sender, recipient, subject, and body inputs. You can copy the raw email or a mailto link for testing.

Does this tool send email?

No. It only generates text previews locally in your browser. Nothing is sent or stored.

How does this help with email QA?

QA teams can preview how an email will look before sending it to a temporary inbox, verify subject formatting, and generate test mailto links for form testing.