Deliverability

Same email. Different DNA.

Every email is rebuilt from the ground up for Gmail, Yahoo, and Outlook. The same design your customers see, with completely different HTML underneath, optimized for each inbox's requirements.

One campaign · Three builds

Identical appearance. Completely different code.

GGmail
Under the hood<!-- Gmail-optimized -->
<table role="presentation">
  <img alt="hero" />
  <span style="gmail-css">...</span>
</table>
YYahoo
Under the hood<!-- Yahoo wrapper -->
<div class="yahoo-wrapper">
  <img src="inline-base64..." />
  <span style="yahoo-css">...</span>
</div>
OOutlook
Under the hood<!-- Outlook MSO -->
<!--[if mso]>
<v:rect></v:rect>
<![endif]-->
<style>.outlook</style>

Your recipients see the same email. The inbox providers see code built specifically for them.

How other ESPs work
<!-- same exact html -->
<table>
  <td>content</td>
</table>
<!-- sent to everyone -->
GmailMight enter
YahooMaybe spam
OutlookMight break
The problem

One-size-fits-all HTML is a gamble.

Gmail, Yahoo, and Outlook all have different rendering engines, different spam filters, and different preferences for how emails should be structured.

Most email platforms send the exact same HTML to every inbox and hope for the best. What works perfectly in Gmail might break in Outlook. What passes Yahoo's spam filters might trigger Gmail's.

How it works

You create one email. We build it three ways.

Automatically. No extra work for you.

Your campaign
One email, designed once
AI rebuilds for each inbox
G
Gmail version
Tuned for Gmail's rendering and filters
Optimized
Y
Yahoo version
Tuned for Yahoo's rendering and filters
Optimized
O
Outlook version
Tuned for Outlook's rendering and filters
Optimized

No settings to configure. It just happens, every time, for every email.

Per-inbox tuning

What we optimize per inbox.

Every element is tuned for where it's going.

HTML structure

Different DOM structures, table layouts, and element hierarchies for each inbox's rendering engine.

Image handling

Image formats, compression, dimensions, and loading behaviors optimized per inbox.

Alt text

Alternative text structured and formatted for each provider's accessibility and spam systems.

Text-to-image ratio

The right balance, calibrated to what each inbox's spam filters consider optimal.

CSS and styling

Inline styles, selectors, and fallbacks tailored to each rendering engine's support.

And more.

Dozens of invisible optimizations working together to maximize deliverability.

The best deliverability is the kind you never have to think about.

The payoff

When emails actually land in the inbox.

Everything improves.

+30 to 50%
Open rate increase
+110%
Click rate increase
Table stakes

Plus everything you'd expect.

All the standard deliverability features, handled automatically.

Automatic list hygiene
Domain authentication
SPF, DKIM, DMARC
Bounce handling
Reputation monitoring
Spam trap detection
Blacklist monitoring
Dedicated IPs
Get started

Your emails deserve to actually arrive.

See how inbox-native email building improves your deliverability. Live in 15 minutes, no engineers required.