Products

KEY FEATURES: Unlimited Sending Mailboxes: Scale your campaigns infinitely with unlimited sending mailboxes. Smart Inbox Rotation: Ensures your emails are sent from your group of sending mailboxes. AI-Powered Personalization Tools: Leverage our AI-powered personalization tools to achieve higher response rates. AI-Powered Email Warmup: Enhance and maintain high deliverability with Mailarrow's AI-powered email warmup strategy. Integrations: Seamlessly integrate cold email into your existing proces

Puzzle Inbox is a cold email infrastructure provider that supplies ready-to-use email inboxes for outbound sales and cold outreach campaigns. The core offerings include: Google Workspace & Outlook 365 inboxes — pre-configured mailboxes optimized for cold email deliverability Done-for-you setup packages — fully managed inbox provisioning so clients don't have to handle domain purchasing, DNS configuration, or warmup themselves AI-powered outreach tools automation features to support cold e

Mailarrow is an AI-powered cold email outreach software that helps companies fill their pipelines with quality leads. Convert cold prospects into warm conversations with Mailarrow. KEY FEATURES: - Unlimited Sending Mailboxes: Scale your campaigns infinitely with unlimited sending mailboxes. - Smart Inbox Rotation: Ensures your emails are sent from your group of sending mailboxes. - AI-Powered Personalization Tools: Leverage our AI-powered personalization tools to achieve higher response rates

Premium Inboxes provides managed cold email infrastructure for agencies, lead generation firms, and outbound sales teams. Full set and management of Google Workspace and Microsoft 365 inboxes, including DNS authentication, warmup, monitoring, rotation, and replacement support. Our platform helps teams launch faster, protect deliverability, and scale outbound campaigns without managing complex infrastructure themselves.

Deliveryman.ai is an all-in-one cold email platform that builds & manages your entire sending infrastructure for maximum deliverability. Instead of juggling multiple domains, inboxes, & warm-up tools, you simply connect a root domain & Deliveryman automatically creates subdomains, sets up mailboxes, warms them up gradually, & rotates sending across them to avoid spam filters. With built-in smart throttling, inbox health monitoring, blacklist checks, & spam score analysis, it

JaxSuite is an AI-native cold outreach and CRM platform that helps startups and lean sales teams land customers without hiring an SDR team. Teams connect an inbox (Gmail, Outlook, or SMTP), import their list or tap a database of 300M+ verified B2B contacts across 45,000+ intent segments, and let AI write multi-step, multi-variant sequences tuned for inbox placement. Campaigns launch in under 15 minutes and average 42% open rates thanks to built-in warmup, spam testing, and smart sending limits t

InboxWarm.ai is an AI-powered email warmup platform that helps businesses improve email deliverability, build sender reputation, and keep emails out of spam folders. Whether you're launching a new domain, scaling cold outreach, or recovering from poor deliverability, InboxWarm.ai automates the entire warmup process by generating authentic email engagement—including opens, replies, and inbox interactions—across a private network of real inboxes. This helps mailbox providers like Gmail, Outlook

Deliverly - Deliverability Engineered Cold Email Infrastructure Deliverly is the premium cold email infrastructure platform built for teams that refuse to compromise on deliverability. Purpose-built for outbound professionals who demand inbox placement, Deliverly handles domain acquisition, enterprise-grade mailbox provisioning, DNS configuration, and infrastructure management at scale so you can focus on filling the pipeline, not troubleshooting spam folders. What Deliverly Does Deliverly re

SMTPing is the ultimate email management solution for businesses looking to streamline their email campaigns and improve deliverability rates. With its cutting-edge technology and intuitive user interface, SMTPing makes it easier than ever to manage your email lists and ensure that your messages are reaching real, active email addresses. One of SMTPing's standout features is its bulk email validation tool, which can validate 100k email addresses in just 20 minutes on average. This means that yo

360Airo is an all-in-one outreach platform built for teams that don’t want to juggle multiple tools just to connect with prospects. Instead of using separate tools for email, LinkedIn, CRM, and manual tracking, 360Airo brings everything together into one simple, unified system. It helps sales and marketing teams reach the right people, send smarter messages, and turn conversations into real meetings — without spending hours on repetitive manual work. Why 360Airo Exists Modern outreach is nois

GTM API is ready-made GTM infrastructure. A single, typed API gives AI agents (Claude, ChatGPT, and others) and backend systems programmatic access to LinkedIn, email, and calendars. It is not just another sequencer; it is the execution layer for your pipeline: your agent sends invites and messages, manages the inbox, and streams events back into your stack. Connect three ways: MCP (Model Context Protocol) for AI agents, REST APIs for backends, and webhooks for event-driven workflows. Works wit

Warmbase is an email warm up tool. It helps your emails to get warmed up before you reach out to your prospects inbox. Once your email is warmed up, you are ready to land your prospect’s inbox instead of their spam folder. Warmbase saves your time, energy and efforts increasing your email deliverability & reputation to get more sales. Moreover, it moves your emails from recipients' spam folder to inbox automatically and saves your email reputation.

ItsBot is an all-in-one AI platform offering smart marketing and support tools to help businesses automate customer engagement. From AI-powered chat agents and voice assistants to email marketing bots and inbox warm-up tools, ItsBot helps businesses boost efficiency, improve response time, and drive conversions. Designed for startups, enterprises, and agencies, ItsBot simplifies communication and delivers 24/7 support without the need for complex setups.

Skyp is an AI-powered email outreach platform that helps founders and high-growth teams launch personalized email microcampaigns at scale. Skyp gives you full control over tone, length, timing, and follow-ups so every campaign feels tailored. With built-in inbox warm-up, deliverability tools, and multi-step workflows, Skyp makes sure your emails actually land. Whether you’re running founder-led sales or scaling a team, Skyp helps you reach the right people faster—and get more replies.

Cllavio is a high-deliverability email marketing and transactional email platform built for startups and growing businesses. It includes a fast campaign builder, a powerful SMTP and REST API, clean analytics, AI-powered spam detection, and domain warmup tools to help your messages reach the inbox. With automated bounce monitoring, DKIM/SPF/DMARC validation, Shopify integrations, and predictable pricing, Cllavio makes it easy to send newsletters, cold email, bulk campaigns, and transactional not

mailuj.io is a fully managed cold email outreach platform for the Polish B2B market. Unlike tools like Instantly or Woodpecker that require users to bring their own email accounts, mailuj.io registers the domain, configures SPF, DKIM, and DMARC automatically, provisions dedicated mailboxes on its own mail server, and starts warmup immediately — all from a single wizard. Users write the email copy; the infrastructure is handled end to end. Features include multi-step campaign sequencing, a Polish

Warm-up your cold email inbox. And never land in spam anymore. Try Warmbox.ai now and start to warm-up your inbox for cold emailing.

Sender Certification is the exclusive email deliverability program that solves top deliverability challenges, empowering you to achieve and maintain trusted sender status. Every year, millions of emails you send end up in spam folders, damaging your sender reputation with Google, Microsoft, Yahoo, Apple and others, leading to even more emails marked as spam. With Sender Certification, our customers get on average 27 million more emails to the inbox per year and see inbox placement rates of 9

VoiceAIWrapper is a multi-provider white-label platform for agencies that resell voice AI services to their clients. Agencies connect their own API keys from Vapi, Retell, ElevenLabs Agents Platform, Bolna, and Ultravox, then resell those platforms under their own brand, on their own domain, with their own client portals and pricing. Core capabilities: - White-label client portals with custom branding (logo, domain, color scheme) - Inbound and outbound calling workflow builders - Pod architect