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Inboxbooster Unleashed: Revolutionizing Email Deliverability

  • Deliverability Guardian: Inboxbooster, founded by Nicolas Toper and Marcus Engene, safeguards your emails from spam folders, ensuring prime inbox placement.
  • Magic Formula: Armed with a massive dataset, it dissects email traits that trigger spam filters, providing personalized solutions for Gmail, Outlook, Yahoo, and more.
  • Triumphant Journey: With 3,000+ users, $1 million in pre-seed funding, and success stories with Y Combinator, Inboxbooster stands as a game-changer in email deliverability.

Breaking Down Inboxbooster

Meet Inboxbooster, the brainchild of Nicolas Toper and Marcus Engene, paving the way to ensure your emails land exactly where you want them – in your recipients' inboxes.

Established in 2016 and headquartered in the tech hub of San Francisco, this startup is on a mission to rescue your emails from the dreaded spam folders.

Mission control: Improving email deliverability

What does it do? Inboxbooster is your deliverability superhero. It dives into the nitty-gritty of your emails, analyzes them, and hands you the keys to unlock the inbox gates. No more mysteriously vanishing messages – only prime real estate in your recipients' inboxes.

How Inboxbooster works its magic

Spam folder sleuth: Armed with a dataset of a whopping 100 million emails, Inboxbooster gets to the root of the issue. It identifies the specific traits that tick off spam filters, turning your emails into spam folder fugitives.

Personalized solutions: Inboxbooster doesn't just point out the problem; it's your guide to the solution. Step-by-step guides, tailored to Gmail, Outlook, Yahoo, and more help you navigate the complex terrain of email deliverability.

Who's in the Inboxbooster arena?

Target audience: Inboxbooster caters to all – from small businesses to individuals and large corporations grappling with the email deliverability puzzle.

Its early-stage funding, including a nod from Y Combinator, signals an aim to reach a wide audience, including those without hefty resources for in-house solutions.

Inboxbooster's journey to triumph

Growth spurt: Since its inception, Inboxbooster has blossomed, boasting over 3,000 users and a customer roster featuring heavyweights like Y Combinator, Zengo, and Wizbii.

With a cool $1 million in pre-seed funding, it's been expanding its reach and rolling out new features.

Facing off the competition: Inboxbooster locks horns with rivals like NeverBounce,, and Everest Mail. What sets it apart is the laser-focused approach to dissecting email content and delivering tailor-made solutions.

Features that make Inboxbooster shine

Email placement tests: Wondering where your emails end up? Inboxbooster offers free tests to track your emails' spam folder adventures.

Guides tailored for you: No cookie-cutter solutions here. Inboxbooster hands you personalized guides to tackle your deliverability issues.

Content analysis: Dive deep into your email content – Inboxbooster scrutinizes it to pinpoint the triggers that send your emails into spam oblivion.

Infrastructure evaluation: Reputation matters. Inboxbooster evaluates your domain and sending IP's reputation to elevate your email deliverability.

The movers and shakers behind Inboxbooster

Nicolas Toper and Marcus Engene are the architects of Inboxbooster's success. With funding from Y Combinator and other notable investors, they've crafted a game-changer.

A glimpse into Inboxbooster's triumphs

Inboxbooster played a key role in elevating Y Combinator's weekly newsletter from spam folder exile. The result? A 35% increase in email click rates.

The Inboxbooster legacy

Inboxbooster isn’t just a tool; it's your ally in the email deliverability battleground. With 2,000+ satisfied customers and a growing user base, it's positioned to continue reshaping the landscape of email deliverability.

Edited by Shruti Thapa