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About

We are a team of engineers who love building tools for other engineers. Our goal is to create the email platform we've always wished we had — one that just works. Receive real-time notifications directly to your server. Every time an email is delivered, opened, bounces or a link is clicked. Simulate events and experiment with our API without the risk of accidentally sending real emails to real people. Simulate events and experiment with our API without the risk of accidentally sending real emails to real people. Rely on a platform of reputable IPs used by trustworthy senders with distributed workloads across different IP pools. Get a fully managed dedicated IP that automatically warms up and autoscales based on your sending volume, with no waiting period. Get a fully managed dedicated IP that automatically warms up and autoscales based on your sending volume, with no waiting period.

About

TrulyInbox’s warm-up sends emails like a real human, one at a time and at varying intervals for natural interaction with your inbox for a high Sender’s Reputation. You can increase your email frequency gradually as your Sender’s Reputation improves, helping to ensure that your emails land in the right inbox and avoid being marked as spam. TrulyInbox’s deliverability score lets you track your inbox reputation and deliverability rate, allowing you to keep an eye on your sending pattern. Anyone who sends cold emails for a wide range of use cases, such as marketing, and lead generation purposes. Outreach specialists, recruiters, marketers, salespeople, etc can benefit from email warm-ups.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Developers looking for an Email API solution

Audience

Anyone in need of an Email Warmup tool that interacts with their inbox to improve sender's reputation

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$20 per month
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

Overall 4.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 4.0 / 5
support 4.0 / 5

Reviews/Ratings

Overall 1.0 / 5
ease 1.0 / 5
features 1.0 / 5
design 1.0 / 5
support 1.0 / 5

Pros & Cons from Real Users

Pros

  • Having the ability to send transactional emails via API makes integrating Resend into an application significantly easier. We set up Resend to handle key transactional emails such as verifying accounts, sending forgot password emails and notifications about usage in our customer accounts. It was easy for our developers to integrate and the pricing scales nicely.

Cons

  • To be honest as long as you know that Resend is designed for transactional emails, and not marketing emails, there's no major negatives of the platform itself. I would have given it 5 stars, but the jump in pricing to have 7 day data retention is higher than I would have liked.

Pros & Cons from Real Users

Pros

  • None. There is nothing I liked working with this company. Their interface is poor, no support, no reporting. Nothing.

Cons

  • 1. Support is totally non-existent. I wrote their support the first time the 18th of June '25 and still have not receive ANY reply 2. When I bought Saleshandy (doing false advertising claiming 'unlimited warm' which you don't get) they told me that the existing TrulyInbox subscription would be cancelled and I would get linked with their system. That was a lie and the subscription did not get cancelled. And again support is not responding for a refund. 3. Connection to random inboxes is lost and neither their system or support helps to solve it 4. They don't show stats of emails send for warm-up. Only from yesterday but not over time. 5. their system does not adhere to the 'daily increase' of warm-up as per config at all

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Resend
Founded: 2023
United States
resend.com

Company Information

TrulyInbox
www.trulyinbox.com

Alternatives

BlueFox Email

BlueFox Email

Innovaris Group

Alternatives

LiftInbox

LiftInbox

Unique Technologies
Mailtrap

Mailtrap

Railsware

Categories

Categories

Integrations

Activepieces
Boilerbay
Create Next Startup
Flue
Gmail
Go
Mailteorite
MassageHub
Nextbase
RankOrg
Rocket.new
Roomote
Ruby
SaaSBold
Serverless
ShipAhead
Supastarter
ToolSDK.ai
Velt
Webleadr

Integrations

Activepieces
Boilerbay
Create Next Startup
Flue
Gmail
Go
Mailteorite
MassageHub
Nextbase
RankOrg
Rocket.new
Roomote
Ruby
SaaSBold
Serverless
ShipAhead
Supastarter
ToolSDK.ai
Velt
Webleadr
Claim Resend and update features and information
Claim Resend and update features and information
Claim TrulyInbox and update features and information
Claim TrulyInbox and update features and information