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Folderly
Optimize Email Deliverability Effortlessly
4.9

( 95 )

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Folderly Reviews & Product Details

Folderly Overview
What is Folderly?

Folderly is an email deliverability platform that companies use to improve email deliverability and ensure that their emails get delivered straight to the inbox of their recipients and don’t end up in the spam folder. Core features of the software include email health checks, spam testing, as well as email reputation monitoring. The intent of Folderly is to ensure that users boost engagement and revenue.

Company BELKINS INC.
Year founded 2017
Company size 51-200 employees
Headquarters Dover, Delaware, United States
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What Folderly is best for?
How does Folderly compare to Twilio SendGrid Email API?
What are the pros and cons of Folderly?
Folderly Product Details
Capabilities
AI
API
Segment
Small Business
Mid Market
Enterprise
Deployment Cloud / SaaS / Web-Based
Training Documentation
Languages English
Folderly Features
A/B Testing
Automated Testing
Blacklist Monitoring
Bounce Management
Campaign Performance Analytics
Content Analysis
Customizable Reports
Dedicated IP Address
Deliverability Consulting
Deliverability Reporting
Domain Reputation Monitoring
Email Authentication (DKIM, SPF, DMARC)
Email Preview
Email Queue Management
Email Syntax Validation
Email Verification
Engagement Tracking
Feedback Loop Handling
Geolocation Tracking
IP Reputation Monitoring
Inbox Placement Testing
Integration with ESPs (Email Service Providers)
List Cleaning
Real-Time Analytics
SMTP Relay
Segmentation
Sender Score Analysis
Spam Testing
Transactional Email
Whitelist Management
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Folderly Screenshots
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Disclaimer
Our research is curated from diverse authoritative sources and meant to offer general advice. We don’t guarantee that our suggestions will work best for each use-case, so consider your unique needs when choosing products and services. Feel free to share your feedback.
Last updated: October 26, 2025
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95 Folderly Reviews
4.9 out of 5
Small Business (50 or fewer emp.)
Nov 09, 2021
 Source
Overall Rating:
5.0
AG
Verified Reviewer
Founder
Share
"Got 75% open rate with Folderly, that`s something I could dream of!"
What do you like best about Folderly?

Easy to use tool, really intuitive, they have a great help center, kind and fast support and they deliver results!

What do you dislike about Folderly?

Set up took a while, but I immediately got help and great onboarding! I had to change my initial content per Folderly team request - but it gave great results!

What problems is Folderly solving and how is that benefiting you?

Get my emails out of the spam folder, and now it`s landing to the prospects inboxes, improved credibility to my domain, my sender score rocks right now!

Small Business (50 or fewer emp.)
Nov 09, 2021
 Source
Overall Rating:
5.0
AM
Ankur M.
Cto
Share
"Excellent product with unlimited warmup"
What do you like best about Folderly?

From the very first touchpoint, the tool is very attentive to details. To ai, they add customer support that manually checks your issues. There are constantly a lot of security updates, so if you have more than 1 mailbox and send more than 250 emails per week Folderly is the best choice.

What do you dislike about Folderly?

Their approach differs from most other tools, which offer just warming up service for almost free. I've tried several, and it never lived up to expectations. But it's your choice who to believe.

What problems is Folderly solving and how is that benefiting you?

Mailbox warmup

Small Business (50 or fewer emp.)
Nov 03, 2021
 Source
Overall Rating:
5.0
CB
Chad B.
Sales Representative
Share
"Efficient way to speed up email metrics"
What do you like best about Folderly?

Tips on how to send emails. Apart from warmup, they are very involved in the way how you behave as a sender.

What do you dislike about Folderly?

I recommend reaching customer support during onboarding. Otherwise, it can take time.

What problems is Folderly solving and how is that benefiting you?

The goal is to reach all the recepients we have in our contact lists

Small Business (50 or fewer emp.)
Nov 03, 2021
 Source
Overall Rating:
5.0
DS
Damani S.
Founder & Ceo
Share
"Truly rely on this software when sending emails"
What do you like best about Folderly?

I consider many points when finding a new tool, so I did great homework on comparing. Maybe someone will find it helpful. Almost all deliverability tools are divided into those that perform just email warmup and the others that do the complex analysis and maintenance. There was a lot of rumor around lemlist for $10, some users are genuinely in love, and some didn't see any performance. What I've learned is that you can not have a high sender score with just email warmup. Email service providers are very attentive now, and they react to any suspicious activity from the mailbox. So if you send more than 200 emails per day, your sender score is very fragile. The only way to have stable email performance is to track all the technical settings, apart from warming up. Folderly is exactly the tool that claims itself to be responsible for the whole health of my domain. Support team at Folderly is very attentive, so they take care of every issue I have or could have.

What do you dislike about Folderly?

In the beginning, I was confused because the app inside could seem a bit empty. I see a difference with other tools, as they lack various dashboards. However, they do really keep high scores on deliverability. My conclusion is that if you search for colorful stats with no fix, there is no point in going with Folderly. If you take your email performance seriously and need a real treat, they might be the best on the market.

What problems is Folderly solving and how is that benefiting you?

Various threats of spam filters. We have been multiple times in blocklists not knowing about it and blaming ourselves for bad leads and poor templates. Email is one of the primary channels for us, so Folderly helps us keep it working.

Small Business (50 or fewer emp.)
Nov 02, 2021
 Source
Overall Rating:
5.0
BW
Bryan W.
Coaching And Productivity Expert
Share
"New perspective on cold email campaigns: more results in less efforts"
What do you like best about Folderly?

Connected Folderly from a recommendation, and it's a new vision for sales departments. We send a smaller number of emails per week, meaning that we spend less time on lead research, validation, sequence creation, etc., and get more replies and more new customers. All of the emails land in the Inbox, so the reply rate is very high. Our sales team is highly motivated. We don't use Folderly's account very often, as soon as we see increased performance.

What do you dislike about Folderly?

Can't find one thing I dislike so far, all good

What problems is Folderly solving and how is that benefiting you?

Performance of cold emails

Small Business (50 or fewer emp.)
Nov 02, 2021
 Source
Overall Rating:
5.0
CS
Christian S.
Ceo, Partner
Share
"Good fix for email marketing maintenance"
What do you like best about Folderly?

Monthly we send over a few million marketing emails, and users often bounce, delete emails, or mark as spam. A tool like Folderly is a must for our business. We connected all the subdomains and senders who do email campaigns and weekly track deliverability performance. Monthly we sync up with Folderly customer success team to get an overview or tips on how we are doing. Considering the volumes we send, it turns to be costly. We stopped using Folderly for some time and saw a significant drop in engagement rates, so we have to come back using it sometime soon.

What do you dislike about Folderly?

It is confusing that we use different tools to track deliverability and email performance; Hubspot doesn't solve deliverability issues and never gives actual delivery rates, Folderly doesn't provide info on open and reply rates. So you usually have to check both. It would be nice to see Folderly as a email marketing software.

What problems is Folderly solving and how is that benefiting you?

Email marketing maintenance

Mid Market (51-1000 emp.)
Nov 02, 2021
 Source
Overall Rating:
5.0
KD
Kaitlin D.
Product Launch Manager
Share
"The only tool that could fix my spam issues"
What do you like best about Folderly?

I have tried several tools, all of them seem to be automated and perform non-stop warmup, but apart from colorful analytics in the dashboard, I didn't see any real improvements. Folderly was the only tool that went on the call right after I signed up, and they didn't promise results on the first day. They were patient to dive into my problem and explain how all the spam issues work. Actually, they offered to start a separate domain for cold emails, start the warn up gradually and increase the limits of emails due to the sending limits. That way is more prolonged than mostly promised on the Internet, AND I see that it's the only way that works.

What do you dislike about Folderly?

Thanks to the support team, they have spent quite a lot of time on calls with me. For what to dislike, it really takes time to gain domain reputation. I don't think that there is a magic pill that can help your reputation the same day.

What problems is Folderly solving and how is that benefiting you?

With Folderly I take care of my domain reputation, especially the brand domain. We send millions of emails, and it is vital to be seen as a trustful sender, not just another spammer.

Mid Market (51-1000 emp.)
Nov 02, 2021
 Source
Overall Rating:
5.0
DB
Dwayne B.
Vice President, Sales
Share
"Education and fix. Complete tool to get to customers' Inbox"
What do you like best about Folderly?

At the very beginning, I had an intention only to test the tool. Sing up and forget, let's say. I failed in it and am very grateful for that. Folderly 'takes' your hand and leads to the world of deliverability. Apart from all the DNS fix and warmup, they give practices on creating subdomains, sender behavior, limits, content (shame on me, I was sending caldendly links in cold emails). As I realized later, I had quite a specific issue with DKIM policy that prevented me from being in the Inbox. These guys helped me a lot, and we managed to schedule too many appointments to handle, so for some time paused cold outreach.

What do you dislike about Folderly?

The tool works well, and it exceeds expectations

What problems is Folderly solving and how is that benefiting you?

We are solving email deliverability issues. For the benefits - the amount of leads we could get from cold outreach, thanks to good deliverability and open rates.

Small Business (50 or fewer emp.)
Oct 29, 2021
 Source
Overall Rating:
5.0
JH
Justin H.
Director Of Client Services
Share
"Folderly is the best"
What do you like best about Folderly?

I get to know the team personally, and they are the pros' in increasing email deliverability and fixing spam issues.

What do you dislike about Folderly?

So far, I have nothing to dislike with Folderly.

What problems is Folderly solving and how is that benefiting you?

High email deliverability maintenance

Small Business (50 or fewer emp.)
Oct 29, 2021
 Source
Overall Rating:
5.0
LM
Laura M.
C
Share
"Domain health care"
What do you like best about Folderly?

I love the domain health part, where I get insights on everything about my domain: spam filters, DNS settings, timeliness. It's also valuable that I can generate all the records right inside the platform.

What do you dislike about Folderly?

The price is higher than the average on the market.

What problems is Folderly solving and how is that benefiting you?

We use a few domains and several subdomains for sending emails. Folderly helps us keep a 'healthy' sender score for each mailbox.