Folderly

Folderly is an email deliverability platform for B2B teams that tests inbox placement, monitors mailbox health, and helps resolve issues that keep campaigns out of spam. It supports API and SMTP connections with major ESPs and custom providers.

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Email deliverability software for B2B teams

Folderly is an email deliverability platform for B2B teams that need to diagnose inbox placement, correct the technical and content-related causes of deliverability issues, and monitor mailbox health over time. The product is positioned as a way to make sure outbound email reaches real inboxes instead of spam or junk folders.

The site presents Folderly as a workflow that combines testing, ongoing monitoring, and remediation. Users can run placement tests, inspect IP and domain health, get alerts when issues appear, and use the platform’s guidance to improve sender reputation and campaign stability.

Features

Automated placement testing

Run an automated test by choosing a mailbox and email template. The test is meant to show where messages land and surface placement problems before campaigns go out.

Email placement reports

Get detailed reports on email placement across major email providers, including placement insights that help identify inbox, spam, and other folder outcomes.

IP insights

Review sending IP details such as IP type, sender score, and blacklists information so you can investigate reputation-related delivery issues.

Domain health analysis

Inspect domain technical issues and follow step-by-step resolution guidance to improve the health of sending domains.

Real-time monitoring and alerts

Receive deliverability alerts by email, Slack, SMS, and other connected tools when spam placement or other issues are detected.

Deliverability fixes and guidance

Use the site’s deliverability guidance and best practices to diagnose why messages land in spam and to apply fixes that support inbox placement.

Use cases

Pre-launch email testing
Run pre-campaign checks to see how a template performs before sending a larger outbound sequence. This is useful when teams want to catch placement issues early.
Ongoing deliverability monitoring
Track inbox health continuously and receive alerts when messages begin landing in spam. This supports teams that need to react quickly when performance changes.
Deliverability troubleshooting
Investigate sender reputation and technical factors by reviewing IP score, blacklists, and domain health. This fits teams troubleshooting poor open or reply rates.
ESP-connected sending environments
Connect the platform to an existing sending setup through API or SMTP and extend its checks across major providers or custom infrastructure.

Pros and Cons

Pros

Combines testing, monitoring, and issue resolution in one product.
Supports API and SMTP connections with major ESPs and custom providers.
Surfaces placement, IP, DNS, and domain health signals in a single workflow.
Offers alerts through multiple channels, including email, Slack, and SMS.
Provides practical guidance for resolving deliverability issues rather than only reporting them.

Cons

The public site does not provide a full integrations directory, so buyers may need to confirm provider compatibility during evaluation.
Some implementation details are not fully spelled out on the product pages, including setup effort and exact outputs for every workflow.

FAQ

Who is Folderly for?

Folderly is designed for teams that send B2B email campaigns and want to understand where messages land, why they miss the inbox, and how to improve mailbox health over time.

What does Folderly help you do?

The site shows automated tests, inbox placement reports, IP insights, domain health insights, and real-time monitoring with alerts. Together, those tools cover both pre-send checks and ongoing deliverability tracking.

What email systems does Folderly connect to?

The source shows Folderly integrates via API and SMTP with major email service providers and also supports custom providers. The site says it can work with any sending architecture.

How is Folderly priced?

The pricing pages show a free testing option, monthly and yearly test plans, and separate mailbox-based pricing for the broader deliverability platform. For some larger usage levels, the site indicates custom pricing.

What should buyers verify before adoption?

The product pages emphasize placement testing, monitoring, alerts, and deliverability fixes, but they do not provide a full public integrations list or detailed implementation steps for every provider.

Quick Facts

Category: Email Deliverability Software
Primary users: B2B teams
Core workflow: Test placement, fix deliverability issues, monitor inbox health
Integrations: API, SMTP, major ESPs, custom providers
Pricing shape: Free and paid plans are shown; larger usage includes custom pricing
Website: folderly.com