Primeforge
Primeforge is a cold email infrastructure platform built to provision fully compliant Google Workspace and Microsoft 365 mailboxes, specifically optimized for high-deliverability outbound outreach. It automates the complex technical setup required for cold email, including SPF, DKIM, and DMARC configuration, domain authentication, and DNS management, allowing teams to deploy ready-to-send mailboxes in about 30 minutes without manual IT work. It uses trusted email service providers and US-based IP infrastructure to improve inbox placement and reduce the risk of messages landing in spam folders. Primeforge supports bulk domain and mailbox management, workspace organization, and compatibility with virtually any outreach software, enabling agencies and sales teams to scale multi-domain campaigns efficiently. It also includes automated account configuration, profile personalization, and best-practice implementation to maintain sender reputation and stable performance.
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Hypertide
Hypertide is an automated cold email infrastructure platform built to help teams scale outreach across Google, Microsoft, and Entra with high-deliverability inboxes connected to their favorite sending tools in hours. It simplifies the complexity of email infrastructure so users can focus on scaling outreach instead of manually configuring domains, inboxes, DNS records, and provider-specific workflows. Hypertide works with Google inboxes, Microsoft, and Entra communication APIs, giving outbound teams a centralized way to manage infrastructure across multiple platforms from one app. Its automated setup process configures domains, users, inboxes, and technical authentication such as SPF, DKIM, and DMARC, helping reduce misconfigurations and delays that often come from manual setup. Each order is isolated with tenant separation, ensuring dedicated domains, IPs, and users for stronger deliverability and cleaner reputation management.
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SendScale
Sendscale is an AI-powered cold email and lead-generation platform that combines your entire outbound stack into a single workspace. Unlike tools that handle just sending or just warmup, Sendscale brings together a team of 8 AI agents that find leads from your website, draft sequences, configure campaigns, rotate inboxes, and protect your deliverability, all from a single dashboard. Sign up free, connect your email, or grab a pre-warmed inbox, and get 1,000 lead credits to start outreach on day one. Recent updates include a new floating AI Chat assistant and pre-warmed inbox packages available from first login, making it one of the fastest ways to go from zero to a live outbound campaign.
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Maildoso
Maildoso provides outbound mailboxes built for cold email, combining SMTP and Google Workspace infrastructure, fast setup, strong deliverability, and automated technical configuration. It helps teams diversify their sending strategy with reputable mailboxes built specifically for cold outreach, so campaigns are not dependent on one sender type, domain, or provider. Users can register domains directly in the dashboard or connect their own, enter mailbox names, and have SPF, DKIM, and DMARC auto-configured so mailboxes are ready to export and use with outreach platforms in minutes. Maildoso supports SMTP mailboxes, Google Workspace mailboxes, and combined setups, giving teams flexibility based on their sending strategy and target audience. It connects with popular sequencers and outreach tools such as Instantly, Smartlead, Saleshandy, and others, making it easier to move newly created mailboxes into active campaigns.
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