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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: November 18, 2025
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95 Folderly Reviews
4.9 out of 5
Mid Market (51-1000 emp.)
Jan 13, 2022
 Source
Overall Rating:
5.0
AG
Verified Reviewer
Founder
Share
"Changed my attitude to cold emails"
What do you like best about Folderly?

Firstly, it's the performance of our email outreach. Never before we managed to get the reply rates so high. Secondly, it's the fox. Kudos to the designers! Last but not least, it's the team's involvement. They shared a lot of recommendations on top of our demands.

What do you dislike about Folderly?

There is nothing specific I can mention. I had a truly satisfactory experience.

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

Once per year, we involve sales representatives to look for new partnerships. Folderly is the solution to reach all the prospects. We gather leads and send cold emails to the target recipients. We sent twice a few emails to get the needed number of partners with this platform. It's fast, easy, and efficient.

Small Business (50 or fewer emp.)
Dec 21, 2021
 Source
Overall Rating:
5.0
Oleg B. avatar
Oleg B.
Ceo&Founder
Share
"Truly rely on Folderly when sending sales emails"
What do you like best about Folderly?

Significant impact on the overall performance of email campaigns. This tool helps to ensure that all the efforts made on outreach are worths it.

What do you dislike about Folderly?

I would love to have more features in the app: list validation, html content preview etc., all in one place

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

High email deliverability for popular or tricky email providers, like Outlook, Yahoo, Amazon. Proper setup for domain and DNS settings.

Small Business (50 or fewer emp.)
Dec 15, 2021
 Source
Overall Rating:
5.0
AI
Alex I.
H
Share
"60 pages audit"
What do you like best about Folderly?

High involvement in all-email-related problems; long-term strategy creation and recommendations. Folderly's team conducted an audit to determine and fix our domain's issues. Performance of our email campaigns was a bit lower than average on the market. After the audit, we restructured the domains, did authentication, managed senders and a number of emails to send from each sender. What's important, we have a strategy on how to grow the email channel correctly.

What do you dislike about Folderly?

Several hesitations about security as we needed to share sensitive information. However, it all went well, and I am satisfied with the results we got. Probably it is all possible to handle an audit internally, but it's too time consuming.

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

Managing domain and IP problems, structuring the email marketing strategy.

Mid Market (51-1000 emp.)
Dec 14, 2021
 Source
Overall Rating:
5.0
Brian H. avatar
Brian H.
Sr. Sales Executive
Share
"The best way to ensure that my e-mails land in front of my prospects!!!"
What do you like best about Folderly?

I love that Folderly continues to maintain my domain health month after month to ensure that my e-mails always land in the recipient inbox versus "junk"!

What do you dislike about Folderly?

There isn't anything that I dislike! It's a very straightforward solution that provides insight along the way and is always working like a charm in the background!

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

Before having Folderly my e-mails would get flagged as spam when doing cold outreach! I always struggled with having the right content and volume of sends per mailbox! Now I know exactly what to send and at what quantity will keep my sender score high and I've realized a much higher open rate and reply rate with literally ZERO bounce backs!

Mid Market (51-1000 emp.)
Dec 02, 2021
 Source
Overall Rating:
5.0
AM
Amanda M.
Business Development Executive
Share
"Wonderful experience with Folderly"
What do you like best about Folderly?

Easy to use platform, deliverability testing, and analytics! You get even more working closely with their customer success teaam

What do you dislike about Folderly?

it's a bit expensive, though totally worth it

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

Getting out of spam, landing in inbox, so all our numbers go high

Mid Market (51-1000 emp.)
Nov 17, 2021
 Source
Overall Rating:
5.0
MB
Marc B.
Director Of Business Development
Share
"Game changers"
What do you like best about Folderly?

Essential tool for business scaling and outbound marketing. We send around 1k of cold emails per week from several mailboxes, which was enough to be suspicious for Google and other ESPs'. Folderly helped us treble the number of replies from cold emailing with the same amount of leads.

What do you dislike about Folderly?

3 months is the average domain recovery period; it's not a one-day story.

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

I see a significant impact on our sales reps. Their motivation increased as they saw more outcomes from their job.

Small Business (50 or fewer emp.)
Nov 16, 2021
 Source
Overall Rating:
5.0
GM
Geoff M.
Head Of Marketing
Share
"Saved my domain health"
What do you like best about Folderly?

We were on the verge of destroying domain reputation of our business. As a marketer, I have a great chain of email automation for nurturing, engaging, and converting the audience. Suddenly, we started receiving emails from our clients that they don't receive our emails, or have them in spam. It was a huge issue for me. Folderly helped us wisely restructure the way how we send emails, including subdomains, volumes and content. Great client approach!

What do you dislike about Folderly?

They solved our issue and shared much more value than expected, so there is nothing to dislike.

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

Sending marketing emails to the inbox. For the benefits, complex approach for the email channel.

Small Business (50 or fewer emp.)
Nov 16, 2021
 Source
Overall Rating:
5.0
VK
Vijay K.
Founder And Ceo
Share
"Became my friend :)"
What do you like best about Folderly?

Folderly accompanied my business for almost one year. This review is one of the multiple 'thank you' to the team. From the start, we connected more than 50 mailboxes and two different domains. The first month was quite a challenge: connecting any additional mailbox took us some time. I was coming back to the dashboard to see how analytics rocks. Of course, it never happens at a glance. This tool will not deceive you with promising numbers, but in the long-term, provides excellent results. Additionally, respect to the CEO, who spent some time on calls with me.

What do you dislike about Folderly?

There is nothing wrong I can say about Folderly.

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

Good sender reputation for multiple domains and mailboxes.

Small Business (50 or fewer emp.)
Nov 15, 2021
 Source
Overall Rating:
5.0
PG
Pablo G.
Ceo & Co Founder
Share
"Open rate bootstrapped"
What do you like best about Folderly?

This tool helped me double open rates for my emails. I've appreciated a combination of automated warmup algorithms and recommendations on my email templates. As a result, I could not wish more from my email channel.

What do you dislike about Folderly?

It took me some time to compare with the other tools, as there are many of them. However, I had no doubts about Folderly's efficiency.

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

It didn't take much time to see a dramatic drop in delivery and open rates since starting on outreach. Folderly is the tool that helps us to maintain high performance for cold emails.

Mid Market (51-1000 emp.)
Nov 10, 2021
 Source
Overall Rating:
5.0
AG
Verified Reviewer
Founder
Share
"Great service at a very reasonable cost"
What do you like best about Folderly?

Folderly helped us improve our email deliverability with a series of simple yet very effective configuration recommendations. Additionally, their email engine helped warm up our email address against an extensive collection of mail servers. Combining that with speedy and friendly responsiveness led to a very smooth and enjoyable project.

What do you dislike about Folderly?

There wasn't anything to dislike. We are new to the nuances of email deliverability, but their hand-holding throughout the process gave us the confidence that everything will work out fine.

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

We noticed that many of our outbound emails were going into spam boxes and wanted to find a way to fix that.