Dive into the data that defined Black Friday and Cyber Monday
Works with Klaviyo

Your Emails Deserve the Primary Inbox

Join 200+ e-commerce brands who've boosted open rates by moving emails from Promotions to Primary. 2-minute setup.

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2 min setup
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100M+
Emails Sent with MailTail
200+
Brands Trust Us
2 min
Setup Time

Trusted by 200+ e-commerce brands

U
Urban ThreadsFashion
G
Glow LabsBeauty
B
Bloom SupplementsHealth
P
Peak FitnessFitness
F
Fresh Pet CoPet
N
NomNomFood
S
STEEZYFashion
V
VitalFitHealth
B
Bark BoxPet
G
Glow SkinBeauty
U
Urban ThreadsFashion
G
Glow LabsBeauty
B
Bloom SupplementsHealth
P
Peak FitnessFitness
F
Fresh Pet CoPet
N
NomNomFood
S
STEEZYFashion
V
VitalFitHealth
B
Bark BoxPet
G
Glow SkinBeauty
See The Difference

From Promotions to Primary

Your marketing emails deserve to be seen. MailTail helps move your emails where they actually get opened.

Your Brand
We're launching a new summer sale!-Hey! We wanted to let you know about our exclusive summer collection...
Your Brand
Your order has shipped!-Great news! Your package is on its way and will arrive by...
Your Brand
Welcome to the family!-Thanks for joining us. Here's what you can expect from...
Your Brand
We just launched our new FW collection!-Be the first to shop our newest arrivals before they sell out...
Your Brand
A special thank you gift inside-As one of our best customers, we wanted to give you...
✨ With MailTail, your emails land where they get opened

Click the tabs to see the difference →

How MailTail Works

Three simple steps to land in Primary

1

Connect Klaviyo

Link your Klaviyo account with a simple API key. Takes less than 2 minutes.

2

Select Templates

Browse and choose which email templates you want to optimize for Primary inbox.

3

Auto-Optimize

We inject invisible footer content that signals authenticity to Gmail's algorithm.

Zero Risk Guarantee

One-click uninstall. Your email templates return to their original state instantly. No strings attached.

100% Safe

Loved by E-commerce Teams

See what marketing teams are saying about MailTail

"Our open rates jumped 35% in the first week. MailTail is now essential to our email strategy."

SC
Sarah Chen
Head of Marketing, Bloom Supplements

"We were skeptical at first, but the results speak for themselves. More emails in Primary = more revenue."

MJ
Marcus Johnson
E-commerce Director, Urban Threads

"Simple setup, immediate results. Our abandoned cart emails finally get opened."

ER
Emily Rodriguez
Email Marketing Manager, Fresh Pet Co

Frequently Asked Questions

Everything you need to know about MailTail

Free Tools

Email Deliverability Tools

Free tools to improve your email authentication and deliverability.

DMARC Generator

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Domain Health Check

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