Folderly
folderly.com
What it is
Folderly is a suite of AI and email deliverability tools for B2B teams. It combines campaign drafting with checks and monitoring intended to help assess email placement and sender reputation. Inbox Insights reviews inbox placement along with sending IP and domain signals before a campaign; its free plan includes 2 tests per month. Pulse tracks placement over time, and real-time alerts are available for free. Folderly AI turns an offer, audience, and goal into a campaign draft and directs users to relevant checks. Other tools cover DMARC reports, public DNS and IP inspection, email HTML previews, and real-message testing; DMARC is a pilot and Mirror is in beta. Folderly says it connects to email service providers through API and SMTP, supports custom providers, and names Amazon AWS, Sendpulse, Elastic Email, Google Workspace, SendGrid, and Microsoft Outlook. Product availability, access, and plans vary by product. Listed options include Inbox Insights Monthly at $79 a month for 100 tests and Inbox Insights Yearly at $799 a year for 100 tests per month. Folderly mailbox plans list a minimum commitment and per-mailbox monthly amounts, billed yearly.
Spec sheet
- What it does
- Folderly is a B2B email-deliverability suite for diagnosing, fixing and monitoring inbox placement.Read 15 Oct 2026 · folderly.com
- Purpose
- Folderly describes its suite as AI and email deliverability tools for B2B teams that help draft campaigns, check sending setups, and monitor delivery.Read 7 Oct 2026 · folderly.com
- Intended users
- Folderly presents its suite for B2B teams and highlights outbound campaigns, cold outreach, and marketing use cases.Read 7 Oct 2026 · folderly.com
- Integrations
- Folderly says it connects to major email service providers through API and SMTP and supports custom providers.Read 7 Oct 2026 · folderly.com
- Security
- Folderly says its security program is supported by SOC 2 Type II and ISO 27001.Read 7 Oct 2026 · folderly.com
- Support
- The site offers tailored expert support and lists [email protected] and +1 302 202 4044 as contact details.Read 7 Oct 2026 · folderly.com
- Headquarters
- 8 The Green STE 300, Dover, DE 19901, United StatesRead 28 Sep 2026 · folderly.com
- Additional tools
- The suite also includes DMARC report review, public DNS and IP inspection, email HTML previews, and real-message testing; DMARC is a pilot and Mirror is in beta.Read 7 Oct 2026 · folderly.com
- API authentication
- The API uses server-side Bearer API keys that are created and rotated from the account area.Read 15 Oct 2026 · generate.folderly.com
- API generation endpoint
- Folderly AI exposes a REST endpoint that generates one cold-email draft from persona, offer and goal inputs.Read 15 Oct 2026 · generate.folderly.com
- API usage endpoint
- The API includes an account-usage route reporting calls, credits, rate-limit hits and remaining credits.Read 15 Oct 2026 · generate.folderly.com
- API webhooks
- Approved paid accounts can register webhooks for events including email.generated, credits.low and rate_limit.exceeded.Read 15 Oct 2026 · generate.folderly.com
- Automated testing
- Inbox Insights starts an automated test by selecting a mailbox and email template.Read 15 Oct 2026 · folderly.com
- Best-practice guidance
- Users receive expert-backed recommendations for correcting outbound and cold-email delivery risks.Read 15 Oct 2026 · folderly.com
- Campaign drafting
- Folderly AI turns an offer, audience, and goal into a campaign draft, then directs users to relevant checks.Read 7 Oct 2026 · folderly.com
- Company legal and founders
- Crunchbase lists Folderly Inc as the legal name and Michael Maximoff and Vladyslav Podoliako as founders.Read 15 Oct 2026 · crunchbase.com
- Company profile
- LinkedIn lists Folderly as privately held, founded in 2019, headquartered in Dover, Delaware, with 51–200 employees.Read 15 Oct 2026 · linkedin.com
- Daily monitoring
- The platform monitors inbox placement daily and provides placement reports and guidance.Read 15 Oct 2026 · folderly.com
- Deliverability
- Folderly monitors inbox placement and detects technical and content issues to help improve sender reputation and email delivery.Read 7 Oct 2026 · folderly.com
- Documentation
- Folderly provides a public help center and separate API reference documentation.Read 15 Oct 2026 · help.folderly.com
- Domain health
- Domain-health views show technical issues with step-by-step resolution guidance.Read 15 Oct 2026 · folderly.com
- ESP integrations
- Folderly connects through API and SMTP to major email-service providers and supports custom providers.Read 15 Oct 2026 · folderly.com
- Funding record
- Crunchbase lists one non-equity-assistance funding round with Campus and Google for Startups as investors.Read 15 Oct 2026 · crunchbase.com
- IP insights
- IP reports include IP type, sender score and blacklist information.Read 15 Oct 2026 · folderly.com
- Legal entity
- The privacy policy identifies the company as Folderly Inc.Read 15 Oct 2026 · folderly.com
- Limit: interface and onboarding
- Capterra reviewers mention occasional interface confusion and that initial setup can be complex for nontechnical users.Read 15 Oct 2026 · capterra.com
- Limit: missing capabilities
- TrustRadius reviewers request integrated email outreach, email verification and more alerting or tutorial coverage.Read 15 Oct 2026 · trustradius.com
- Limit: price
- A TrustRadius reviewer says Folderly costs more than the market average.Read 15 Oct 2026 · trustradius.com
- Limit: unsolicited email
- A Trustpilot reviewer complained about repeated business-development follow-ups without an unsubscribe option.Read 15 Oct 2026 · trustpilot.com
- Monitoring
- Pulse tracks email placement over time and provides alerts, including real-time alerts at $0 per month.Read 7 Oct 2026 · folderly.com
- Named integrations
- The integration directory lists Amazon AWS, Sendpulse, Elastic Email, Google Workspace, SendGrid and Microsoft Outlook.Read 15 Oct 2026 · folderly.com
- Notable dated update
- Folderly AI API documentation shows a September 8, 2026 update adding retained subject lines, spintax preview and drafts.Read 15 Oct 2026 · generate.folderly.com
- Placement reports
- Inbox Insights reports where messages land across major email providers.Read 15 Oct 2026 · folderly.com
- Praise: deliverability results
- TrustRadius reviewers repeatedly describe improved inbox delivery, spam remediation and higher open rates.Read 15 Oct 2026 · trustradius.com
- Praise: ease of setup
- G2 and Capterra reviewers often report quick setup, intuitive navigation and a short learning curve.Read 15 Oct 2026 · g2.com
- Praise: support
- Reviewers on G2, TrustRadius and Trustpilot commonly praise responsive, knowledgeable customer-success support.Read 15 Oct 2026 · g2.com
- Product availability
- Folderly says availability, access, and plans vary by product, and advises checking each product page for its current options and requirements.Read 7 Oct 2026 · folderly.com
- Pulse monitoring
- Pulse monitors placement continuously and can alert through email, SMS, Slack and other tools.Read 15 Oct 2026 · folderly.com
- Rating on Capterra
- 4.8 out of 5 from 44 reviewsRead 15 Oct 2026 · capterra.com
- Rating on G2
- 4.8 out of 5 from 103 reviewsRead 15 Oct 2026 · g2.com
- Rating on Trustpilot
- 4.5 out of 5 from 18 reviewsRead 15 Oct 2026 · trustpilot.com
- Rating on TrustRadius
- 8.8 out of 10 from 21 reviews and ratingsRead 15 Oct 2026 · trustradius.com
- Security claim
- Folderly's main site says its security program is supported by SOC 2 Type II and ISO 27001.Read 15 Oct 2026 · folderly.com
- Security limitation
- The Folderly DMARC privacy page says that product does not currently hold SOC 2, ISO 27001 or other third-party security certification.Read 15 Oct 2026 · dmarc.folderly.com
- Spam trigger detection
- Folderly detects technical and content spam triggers affecting Gmail and Outlook delivery.Read 15 Oct 2026 · folderly.com
- Spam words checker
- A spam-words checker identifies wording that can harm email delivery.Read 15 Oct 2026 · folderly.com
- Testing
- Inbox Insights checks email placement and reviews sending IP and domain signals before a campaign.Read 7 Oct 2026 · folderly.com
Plans and prices
Inbox Insights Free Free monthly 2 tests per month Read 15 Oct 2026 · folderly.com
Pulse Free monthly real-time alerts Read 15 Oct 2026 · folderly.com
Folderly — 25–99 mailboxes $56 a year Yearly; $56 per mailbox / month 25–99 mailboxes · minimum commitment applies Read 7 Oct 2026 · folderly.com
Folderly 25–99 mailboxes (yearly) $56 a month yearly 25–99 mailboxes · minimum commitment applies Read 15 Oct 2026 · folderly.com
Folderly — 10–24 mailboxes $72 a year Yearly; $72 per mailbox / month 10–24 mailboxes · minimum commitment applies Read 7 Oct 2026 · folderly.com
Folderly 10–24 mailboxes (yearly) $72 a month yearly 10–24 mailboxes · minimum commitment applies Read 15 Oct 2026 · folderly.com
Inbox Insights Monthly $79 a month monthly 100 tests per month Read 15 Oct 2026 · folderly.com
Folderly — 1–9 mailboxes $96 a year Yearly; $96 per mailbox / month 1–9 mailboxes · minimum commitment applies Read 7 Oct 2026 · folderly.com
Folderly 1–9 mailboxes (yearly) $96 a month yearly 1–9 mailboxes · minimum commitment applies Read 15 Oct 2026 · folderly.com
Inbox Insights Yearly $799 a year yearly 100 tests per month · save 15% Read 15 Oct 2026 · folderly.com
Folderly — 100+ mailboxes Priced on request Custom price per mailbox / month 100+ mailboxes · minimum commitment applies Read 7 Oct 2026 · folderly.com
Folderly 100+ mailboxes Priced on request yearly 100+ mailboxes · custom price Read 15 Oct 2026 · folderly.com
Strong points and limits
Strong points
- Inbox Insights Free includes 2 tests per month
- Pulse real-time alerts cost nothing
- Supports custom email service providers
- API and SMTP connections
- Lists SOC 2 Type II and ISO 27001
Limits
- DMARC is a pilot
- Mirror is in beta
- Product availability and plans vary by product
- Mailbox plans require a minimum commitment
Who it suits
Folderly is aimed at B2B teams working on outbound campaigns, cold outreach, and marketing. It suits teams looking for campaign drafting alongside email checks and placement monitoring.
Folderly in depth
Read the full write-up
Overview
Folderly combines campaign drafting with tools for checking and monitoring email deliverability, aimed at B2B teams running outbound, cold outreach, or marketing campaigns. It is most compelling for teams that need visibility across multiple mailboxes, rather than buyers looking for a single-purpose warmup tool. Its breadth is useful, but separate product plans make the total commitment less simple than one suite subscription.
Key features
Inbox Insights checks inbox placement and reviews sending IP and domain signals before a campaign. The free tier allows two tests per month, enough for occasional checks but a tight cap for teams reviewing campaigns regularly; paid tiers allow 100 tests monthly. Pulse tracks placement over time and offers real-time alerts for $0 per month, making it a useful no-cost complement to those pre-send checks.
Folderly AI turns an offer, audience, and goal into a campaign draft, then points users to relevant checks. That link between drafting and deliverability work suits teams that want both in one suite. Separate monitoring covers sender reputation, authentication, and blocklists. Additional tools include DMARC report review, public DNS and IP inspection, email HTML previews, and real-message testing; DMARC is a pilot and Mirror is in beta, so those parts of the suite are less settled.
Folderly connects to major email service providers through API and SMTP and supports custom providers. Named integrations include Amazon AWS, Sendpulse, Elastic Email, Google Workspace, SendGrid, and Microsoft Outlook. API access is available, and Folderly says its security program is supported by SOC 2 Type II and ISO 27001. It also offers tailored expert support, with contact by email or phone.
Pricing
Folderly's product-specific plans range from free checks and alerts to mailbox-based subscriptions. Inbox Insights Free costs nothing and allows 2 tests per month. Inbox Insights Monthly costs $79 a month for 100 tests per month; Inbox Insights Yearly costs $799 a year for the same 100-test monthly allowance, with a stated 15% saving. The free plan is suited to occasional checks, while paid plans fit teams that need a regular testing quota.
Pulse real-time alerts cost nothing. Folderly mailbox plans are billed yearly at $96 per mailbox / month for 1–9 mailboxes, $72 per mailbox / month for 10–24, and $56 per mailbox / month for 25–99. Each requires a minimum commitment, so the lower per-mailbox rates at larger volumes come with a larger seat commitment. For 100+ mailboxes, pricing is custom per mailbox / month, also with a minimum commitment. Folderly's published starting point is $96/mo (annual); check the applicable product terms before choosing, since availability, access, and plans vary by product.
Platforms
Folderly is available on web and through an API. That suits teams integrating deliverability checks into existing workflows, while it is not a listed choice for desktop or mobile use.
Who it's for
Folderly is aimed at B2B teams managing outbound, cold outreach, and marketing email. It is a stronger fit when campaign drafting, pre-send diagnostics, and ongoing placement monitoring all matter; teams needing only a small number of occasional checks can start with Inbox Insights Free and Pulse. Buyers who want one uniform plan covering the entire suite should weigh the product-by-product pricing and minimum mailbox commitments.
Pros and cons
Pros: Pre-send placement and signal checks pair with ongoing placement, sender reputation, authentication, and blocklist monitoring, giving teams several deliverability views in one suite.
Pros: Pulse alerts cost $0 per month, and Inbox Insights has a free two-test monthly tier for occasional checks.
Cons: Two free Inbox Insights tests per month are not enough for routine campaign review, and the 100-test paid allowance is a defined ceiling.
Cons: Mailbox plans carry minimum commitments, while larger deployments shift to custom pricing; product-specific plans complicate cost planning across the suite.
Cons: DMARC remains a pilot and Mirror is in beta, making those tools a weaker basis for teams that need settled capabilities across the board.
Alternatives
For a wider comparison of warmup-focused choices, see Email Warmup Software; for more deliverability options, browse Email Deliverability Software.
Choose Warmerly if a freemium option with a free trial and Android support better fits your requirements. TrulyInbox is another freemium option, with a free forever plan for one account and 10 warmup emails per day. SendScale Email Warmup offers a free plan with pre-warmed inboxes and warmup tools. Swokei Email Warmup has a free starting tier with 20 credits but no mailboxes; sending needs a paid plan. InboxWarm.ai is a paid alternative with a free trial and monthly mailbox-based plans. darkzwarmer is a free option for Linux, macOS, Windows, or self-hosted use. InboxPlan is a paid web-based alternative with a free trial. MailStrike has a paid Growth plan at $45 a year, billed annually, for up to 6 mailboxes and 12 placement tests per month.
Verdict
Choose Folderly if your B2B team wants campaign drafting alongside pre-send diagnostics and continuing deliverability monitoring, especially across multiple mailboxes. Its strongest reason to buy is that breadth, reinforced by API and SMTP connections and a free alert option. Look elsewhere if you need one clear suite-wide price, cannot accept minimum mailbox commitments, or require every tool to be out of pilot or beta.
Verdict
Folderly brings campaign drafting, deliverability checks, and ongoing placement monitoring into one suite. Its tools and pricing differ by product, and some tools are still in pilot or beta.
Where Specifiction places it
- Email Warmup Software#1 of 249.1
- Email Deliverability Software#3 of 319.0
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