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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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5.0

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$29.00/month
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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 04, 2025
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95 Folderly Reviews
4.9 out of 5
Small Business (50 or fewer emp.)
Oct 27, 2021
 Source
Overall Rating:
5.0
FW
Frank W.
Client Growth Consultant
Share
"Love email performance when using Folderly"
What do you like best about Folderly?

I see dramatic results for cold emails. We implement tones of best practices from them. Before we sent all the emails from 2 senders, we never respected the sending limits, added links, didn't have a valid signature, and BIMI. Their success team helped us to divide sending volumes on different subdomains and senders. Additionally, they set up adequate DNS records for each outreach tool we use in our practice. Permanent warmup for each mailbox that sends cold emails helps us maintain high open and reply rates.

What do you dislike about Folderly?

Nothing to dislike, but the cost is expensive

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

Cold emails performance

Mid Market (51-1000 emp.)
Oct 27, 2021
 Source
Overall Rating:
5.0
TR
Tim R.
Industry Manager
Share
"Great software to fix and maintain email deliverability"
What do you like best about Folderly?

Their warmup is excellent; you can modify templates and check template preview, adjust volumes sent. But I never did it; the platform suggests the proper volume itself. The emails are automatically deleted and never overwhelm my mailbox. Maintenance is highly effective for solving deliverability issues.

What do you dislike about Folderly?

The onboarding process could be more straightforward, I suppose

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

Warming up our mailboxes

Enterprise (> 1000 emp.)
Oct 25, 2021
 Source
Overall Rating:
5.0
AB
Aldir B.
Chief Business Development Officer
Share
"Intuitive and easy to use"
What do you like best about Folderly?

There are a lot of insights on my emails. Thanks to Folderly, we switched to another email service provider, added subdomains for promotional emails, fixed DNS records, and started to score way much better. At some point, we were ready to give up on cold emailing, but Folderly proves that everything depends on your approach.

What do you dislike about Folderly?

Nothing to complain about; everything is fine so far.

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

We maintain the high performance for cold emailing.

Small Business (50 or fewer emp.)
Oct 21, 2021
 Source
Overall Rating:
5.0
BW
Brendan W.
Principle
Share
"Helps to keep email campaigns on track"
What do you like best about Folderly?

I use Folderly to achieve the goal performance of email campaigns. I don't visit Folderly's account often; there is no need. On a monthly basis, I sync up with the support team, and they share the results. As long as we see the excellent performance of email campaigns, I am satisfied with the tool.

What do you dislike about Folderly?

Deliverability is something I was not aware of before, and as a new user, It was challenging to add mailboxes.

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

We use it to keep email marketing performance high

Small Business (50 or fewer emp.)
Oct 20, 2021
 Source
Overall Rating:
5.0
KS
Kate S.
Account Executive
Share
"Rescue for marketing emails"
What do you like best about Folderly?

The platform helped us to rescue open and engagement rates for our marketing emails. There was a significant drop; emails went to promotions and then to spam. Folderly fixed domain and DNS set up issues, and thanks to permanent warmup, it keeps us on the top of the mailbox.

What do you dislike about Folderly?

It took time to understand how to add mailboxes.

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

It doesn't take much time but brings great results.

Small Business (50 or fewer emp.)
Sep 28, 2021
 Source
Overall Rating:
5.0
Dmytro S. avatar
Dmytro S.
Co Owner
Share
"Good email deliverability solution."
What do you like best about Folderly?

The platform gathers together everything about fixing spam. We have started by adding our mailboxes, checking email placement, and fixing some tech issues. The warm-up maintenance helps to have continuously high deliverability rates. The system of alarms helps to predict and fix in advance all the problems that can occur. Warmup is automated, so we don’t see any emails in the mailbox; we track the growth in open and engagement rates.

What do you dislike about Folderly?

At first, we were hesitating about the price, higher than the average on the market. However, the results in campaigns’ performance cover the cost.

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

Maintenance of high email performance. We have high delivery, open and engagement rates by fixing deliverability issues, which is primary for our business.

Mid Market (51-1000 emp.)
Aug 16, 2021
 Source
Overall Rating:
5.0
AG
Verified Reviewer
Founder
Share
"Must-have tool for cold outreach campaigns"
What do you like best about Folderly?

We need to send significant volumes of emails in our business, and not all of them are replied back. That's why our mailboxes are the red flag for the spam filters. Folderly helps us keep our emails always delivered and placed in the Inbox of our recipients. If there're any possible reasons for the decrease in deliverability, we get a notice and stop some campaigns for a short period until it's fixed. Overall, I see a dramatic increase in our business metrics since getting started with Folderly.

What do you dislike about Folderly?

I don't have any idea; my team enjoys working with Folderly.

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

Having our cold outreach emails sent to the Inbox folder of the recipients; increasing the performance of outbound email campaigns.

Mid Market (51-1000 emp.)
Jul 21, 2021
 Source
Overall Rating:
5.0
MK
Maryna K.
Marketing Specialist
Share
"Helps our company to maintain high deliverability rates."
What do you like best about Folderly?

The tool is a complex approach for spam fix and keeping deliverability on track. Folderly does a complex job of analyzing and solving every possible reason for being in spam. The customer support team is highly responsive and is ready to find every unobvious issue. The interface is intuitive and easy to use.

What do you dislike about Folderly?

The price is comparatively expensive, but it gives the declared results.

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

Deliverability rate impacts all the following metrics: delivery, open, reply rates, and then the success of all the email campaigns, so we perceive it as a necessary tool to integrate with our ESP. Email deliverability is more fragile than it seems and needs to be improved permanently. The whole email campaign could go in spam because of several spam reports.

Small Business (50 or fewer emp.)
Jul 13, 2021
 Source
Overall Rating:
5.0
Dmytro B. avatar
Dmytro B.
New Business Manager
Share
"Deliverability and outreach experts."
What do you like best about Folderly?

It’s an automated supplementary tool for each email service provider. Spam fix is handled ‘turn-key’, starting from domain check and DNS settings to permanent warm up. The support team is very nice.

What do you dislike about Folderly?

By now on, I haven't seen any problems with it.

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

From several mailboxes our emails were going to spam due to SPF settings and poor sender score. When using Folderly, our recipients see emails in the Inbox. It saves time when spam fix is automated and increases revenues from email marketing campaigns.

Mid Market (51-1000 emp.)
Jul 13, 2021
 Source
Overall Rating:
5.0
ON
Oleksandr N.
Ceo
Share
"Great tool for cold outreach campaigns."
What do you like best about Folderly?

With Folderly you can see the results of all the mailboxes on the same dashboard, which is very convenient. We had our domain and DNS settings fixed, and the sender reputation improved.

What do you dislike about Folderly?

It covered everything promised. No problems.

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

In our business we send many emails from different mailboxes, so we needed a complex tool to have all the emails sent in the Inbox of our prospects. By fixing spam, we increased conversions in our outreach campaigns.