Folderly

Folderly is an AI and email deliverability suite for B2B teams that draft campaigns, check sending setups, and monitor delivery. Inbox Insights checks inbox placement and reviews sending IP and domain signals before campaigns. Its free plan includes 2 tests per month. Pulse tracks placement over time, and real-time alerts are available for $0 per month. Folderly AI turns an offer, audience, and goal into a campaign draft, then points users to relevant checks.

Other 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. Folderly says it connects to major email service providers through API and SMTP, supports custom providers, and lists Amazon AWS, Sendpulse, Elastic Email, Google Workspace, SendGrid, and Microsoft Outlook as integrations. It is available on the web and through an API. The site describes its security program as supported by SOC 2 Type II and ISO 27001, and offers tailored expert support. Product availability, access, and plans differ by tool. Paid pricing includes Inbox Insights at $79.00 per month for 100 tests, or $799.00 per year for 100 tests per month. Folderly mailbox plans are listed at $96.00 per year per mailbox for 1–9 mailboxes, $72.00 per year per mailbox for 10–24, and $56.00 per year per mailbox for 25–99; minimum commitments apply.

Folderly brings campaign drafting together with inbox placement checks and ongoing monitoring for B2B email work. The mix of pilot and beta tools, along with product-specific plan availability, is worth considering before choosing a tool.

Folderly suits B2B teams working on outbound campaigns, cold outreach, or marketing who want campaign drafting alongside deliverability checks and monitoring. Teams should check the relevant product page because access and plans vary by product.

Overview

Folderly combines AI-assisted campaign drafting with tools for checking and monitoring B2B email deliverability. It suits teams running outbound, cold outreach, or marketing campaigns that need visibility across multiple mailboxes. Its broad mix of checks and monitoring is useful, though the product-by-product plans and mailbox commitments take care to compare.

Key features

Inbox Insights checks inbox placement and reviews sending IP and domain signals before a campaign. The free plan allows two tests a month, enough for occasional spot checks but restrictive for teams reviewing campaigns regularly. Paid plans increase the allowance to 100 tests monthly. Pulse tracks placement over time and provides real-time alerts at no charge, making it a practical complement to pre-send checks.

Folderly AI turns an offer, audience, and goal into a campaign draft, then points users toward relevant checks. That connection helps teams carry a campaign from drafting into deliverability review. Folderly also monitors sender reputation, authentication, and blocklists. Additional tools review DMARC reports, inspect public DNS and IP signals, preview email HTML, and test real messages. DMARC is a pilot and Mirror is in beta, so teams should not treat every tool in the suite as equally established.

Folderly connects through API and SMTP, supports custom providers, and offers API access. Named integrations include Amazon AWS, Sendpulse, Elastic Email, Google Workspace, SendGrid, and Microsoft Outlook. The company says its security program is supported by SOC 2 Type II and ISO 27001, and offers tailored expert support.

Pricing

Folderly’s published prices vary by product and mailbox count. Its mailbox plans are quoted per mailbox per month but billed yearly, with a minimum commitment. The 1–9 mailbox tier is $96 per mailbox per month; 10–24 mailboxes costs $72 per mailbox per month; and 25–99 costs $56 per mailbox per month. The lower per-mailbox rates at larger volumes suit teams with many accounts, while the minimum commitment makes these plans a less flexible fit for small or short-lived campaigns. The 100+ mailbox tier has custom pricing.

Inbox Insights Free costs $0 per month and includes two tests monthly. Inbox Insights Monthly is $79 per month for 100 tests; Inbox Insights Yearly is $799 per year for the same monthly quota and states a 15% saving. The free tier is best for occasional checks, while the paid options suit teams that need regular pre-campaign reviews. Pulse’s real-time alerts are $0 per month.

The listed Folderly mailbox rates differ from the general starting price of $96/mo (annual). Since access and plan options vary by product, buyers should confirm which products, mailbox counts, and commitments fit their needs before choosing.

Platforms

Folderly is available on web and through an API. API and SMTP connections, including support for custom providers, make it suitable for teams working with different email service providers.

Who it's for

Folderly is best suited to B2B teams that send outbound, cold outreach, or marketing campaigns and want campaign drafting, pre-send diagnostics, and ongoing placement monitoring in one suite. Its mailbox tiers are aimed at teams managing multiple accounts. A buyer who needs only occasional checks can start with the free Inbox Insights allowance and Pulse alerts; a team running frequent checks will likely need a paid Inbox Insights plan. The pilot and beta tools make Folderly a weaker fit for teams that require every component to be fully mature.

Pros and cons

• Pros: Campaign drafting leads into relevant checks, joining creation and deliverability review in one workflow.
• Pros: Free Pulse alerts and a free Inbox Insights tier offer ongoing monitoring and limited pre-send testing without a monthly charge.
• Pros: Mailbox pricing falls at higher volumes, and API, SMTP, and custom-provider support accommodate varied sending setups.
• Cons: Two monthly tests on the free Inbox Insights plan will not cover frequent campaign reviews.
• Cons: Mailbox plans require a minimum commitment and annual billing, and the 100+ tier uses custom pricing.
• Cons: DMARC is a pilot and Mirror is in beta, limiting confidence for teams that need established versions of those tools.

Alternatives

For a broader category comparison, browse Email Deliverability Software or Email Warmup Software.

Warmerly is a freemium option with a free plan, free trial, and Android, API, and web platforms; its free tier includes one email account and capped campaign, lead, email-check, and lookup allowances. SendScale Email Warmup is a freemium API and web option whose free plan includes pre-warmed inboxes, warmup tools, conversational guidance, and campaign access. TrulyInbox offers a free forever plan with one account, 10 warmup emails a day, and basic deliverability tracking, as well as a free trial.

Swokei Email Warmup has a free web plan with 20 starter credits but no mailboxes, and sending requires a paid plan. WarmEnvelopes is a freemium web service with a free allowance of four emails per day per domain across up to 10 domains. WarmupHero is free with SmartReach.io plans and runs on extension and web platforms. darkzwarmer is a free option for Linux, macOS, Windows, and self-hosted setups. EmailWarmup is a freemium API and web service with a $19 a month Starter plan for three mailboxes and 100 warmup emails per day.

Verdict

Choose Folderly if your B2B team wants campaign drafting alongside pre-send checks and continuing inbox placement, sender reputation, authentication, and blocklist monitoring. Its combination of no-cost Pulse alerts, scalable mailbox tiers, and API connections is the strongest reason to shortlist it. Look elsewhere if you need a simple warmup tool, frequent free pre-send testing, or a fully settled version of every tool: the free test quota is small, mailbox plans carry minimum commitments, and some features remain in pilot or beta.