Best Hypertide.io Alternatives to Scale Your Cold Email Campaigns

by Maildoso's team

05/28/2025

difficulty level ⭐⭐

If you’re running cold email campaigns, you know the struggle of finding a reliable email infrastructure that delivers high volume without landing in the spam folder. Maybe you’re looking for something different - whether it’s lower costs, faster setup, or better integration with your favorite tools. Whatever your reason, we’ve rounded up awesome alternatives to Hypertide.io that can help you scale your outreach like a pro. Let’s dive in and see what’s out there!

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1. Maildoso

We provide a platform for cold email infrastructure, designed to simplify the setup and management of outbound B2B campaigns. Our system automates the registration of domains and creation of mailboxes, handling DNS configurations like SPF, MX, and DKIM without requiring manual input. Users can generate multiple mailboxes quickly, with all accounts pre-configured for immediate use in cold email outreach.

Our platform includes a master inbox feature, allowing users to connect a single email client to manage sending and receiving across numerous mailboxes. We use an IP rotation system that automatically replaces flagged IPs to maintain deliverability. The service also supports domain forwarding, redirecting traffic from outreach domains to a primary website, and offers integration with popular cold email tools through import-ready CSV files.

We offer campaign audit services, where our team reviews email content for spam triggers and provides deliverability recommendations. Our AI-driven warmup system uses browser-based actions to simulate human behavior, aiming to improve sender reputation. Additional resources, including guides, a knowledge base, and a Slack community, are available to support users in managing their campaigns.

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2. Mailreef

Mailreef provides a platform for managing cold email infrastructure, focusing on automation and control over the email delivery process. Users can create domains and mailboxes with a single click, and the system handles DNS configurations like SPF, DKIM, and DMARC automatically. The platform is designed for businesses and agencies sending large volumes of cold emails, offering a dedicated server to manage email reputation and deliverability without shared resources or rotating IPs.

The platform integrates with tools like Smartlead, Instantly, and other email marketing software through SMTP and IMAP connections. Mailreef also provides API and Zapier integration for programmatic mailbox creation, allowing users to automate parts of their email setup. A live chat feature connects users with delivery experts for real-time campaign optimization and troubleshooting.

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3. Cheap Inboxes

Cheap Inboxes offers a service for obtaining Google Workspace Business accounts in bulk, tailored for cold email campaigns. The platform provides inboxes at different pricing tiers based on volume, with options for individual businesses, agencies, or those needing large-scale setups. Orders are processed within a specified timeframe, and the service includes onboarding support to configure accounts.

The setup process involves submitting an order form, after which the team configures the inboxes, typically delivering within a short period. The platform emphasizes compatibility with Google Workspace for deliverability and allows users to scale to thousands of inboxes. Additional support is available for rush orders or custom needs, with a client portal for managing accounts.

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4. Inframail

Inframail provides a platform for setting up Microsoft-based email inboxes for cold email campaigns. Users can purchase domains directly through the platform, and the system automates DNS configurations like SPF, DKIM, and DMARC. The service exports inboxes to tools like Instantly, Smartlead, and Reachinbox for seamless integration into existing workflows.

The platform offers plans with unlimited inboxes and dedicated IPs, designed for agencies, recruiters, and sales teams. Inframail’s dashboard allows users to manage domains, inboxes, and performance metrics. The service also includes priority support and a playbook for booking sales calls, aimed at users focused on lead generation.

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5. Premium Inboxes

Premium Inboxes operates as a reseller of Google Workspace accounts tailored for cold email marketing. The platform provides inboxes with pre-configured DNS settings, including SPF, DKIM, DMARC, MX, and CNAME, to support deliverability. Users complete an onboarding form, and the service handles account setup, delivering inboxes ready for use within a specified timeframe. The platform integrates with tools like Smartlead, Instantly, and Pipl.ai, allowing users to upload inboxes directly to their preferred email marketing software.

The service offers tiered plans based on the number of inboxes, with options for startups, growing businesses, and enterprises. Each plan includes real-time dashboards for managing subscriptions and submissions, and accounts are customized with features like profile pictures. If an inbox experiences deliverability issues, the platform provides free replacements to maintain campaign continuity.

A client portal enables users to monitor and adjust their account details. The platform also supports domain customization, allowing businesses to use their own domains for email accounts. Technical support is available to assist with setup and ongoing management, ensuring users can focus on their outreach campaigns.

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6. Smartlead

Smartlead offers a platform for cold email outreach, designed to manage large-scale email campaigns. The service allows users to connect unlimited mailboxes and automate email warmups using AI-generated interactions to maintain sender reputation. It includes a unified inbox for tracking conversations across multiple mailboxes and supports auto-rotation of mailboxes to distribute emails across leads without manual intervention.

The platform provides tools for creating and managing email campaigns, with features like automated follow-ups and sub-sequences based on lead behavior. Users can purchase domains and set up Google, Outlook, or SMTP mailboxes directly within the platform. Smartlead also offers a mobile app for managing campaigns on the go and includes testing tools to check inbox placement and spam scores before sending emails.

Integration with CRMs and tools like Zapier, HubSpot, and Salesforce is supported, enabling seamless workflow connectivity. The platform allows white-labeling, letting businesses brand the interface under their own domain. Analytics track campaign performance, including reply rates and conversions, and the service provides templates and a cold email generator for crafting messages.

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7. Mailgun

Mailgun is a free cold email platform supporting transactional and marketing emails with a focus on scalability and deliverability. The software handles large email volumes, ensuring inbox placement, suitable for scaling campaigns.

The platform offers tools for personalization and analytics to track performance. Mailgun’s free tier includes email verification and deliverability checks, maintaining clean lists for outreach. The software’s API-driven approach integrates with applications, automating and customizing email workflows. Its technical capabilities make it ideal for programmatic email needs.

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8. Yesware

Yesware is a free cold email software enhancing outreach for sales teams with tracking and analytics. Its free plan allows sending a limited number of tracked emails, suitable for small-scale campaigns targeting prospects. The platform integrates with email clients like Gmail and Outlook, enabling personalized emails and engagement monitoring without switching tools. Yesware’s simplicity suits initiating email outreach.

The software offers email templates and real-time tracking, gauging campaign effectiveness through metrics like opens and clicks. Yesware’s free tier supports basic email scheduling, optimizing outreach timing. The platform includes meeting scheduling tools, complementing email efforts with follow-up actions. Its lightweight design ensures efficient campaign management within existing email environments.

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9. Mailmeteor

Mailmeteor is a free cold email software integrated with Gmail, facilitating personalized mass email campaigns. The platform focuses on simplicity, enabling users to send emails, track performance, and follow up without a separate system.

The software leverages Gmail integration, allowing outreach from existing email accounts. Mailmeteor’s free tier includes real-time tracking and preview features, ensuring users monitor email opens and refine strategies. The platform supports personalization, tailoring emails to individual recipients, crucial for effective cold email campaigns. Its lightweight design suits freelancers and small businesses initiating email marketing.

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10. MailerLite

MailerLite is a free cold email software focused on enabling businesses to send targeted, personalized emails efficiently. The platform is designed for simplicity, catering to small and medium-sized enterprises engaging audiences through automated campaigns. This free tier includes automation and a drag-and-drop editor for crafting professional emails.

The software offers user-friendly interfaces and robust automation capabilities. Its email builder creates newsletters, landing pages, and subscription forms, customizable to align with brand aesthetics. MailerLite’s free offering supports cold email strategies with audience segmentation and performance metrics like open rates and clicks. By integrating with CMS platforms and social media, the platform ensures seamless connectivity for managing multiple channels.

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11. Snov.io

Snov.io is a sales automation platform with a robust suite of tools for cold email outreach, targeting B2B businesses and sales teams. The software simplifies lead generation and email campaign management, providing an all-in-one solution for prospecting and engagement. Its platform is designed to help users find, verify, and reach out to leads efficiently, with an emphasis on scalability.

The platform includes email verification and warm-up features to ensure high deliverability, alongside drip campaign automation for consistent prospect nurturing. Snov.io supports integration, enabling users to streamline workflows across CRMs and other platforms. With features like LinkedIn outreach and a unified inbox, the software facilitates multi-channel engagement, making it a flexible choice for businesses aiming to optimize their cold email strategies.

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Conclusion

Finding the right email infrastructure for your cold email campaigns can make a big difference in how smoothly your outreach runs. The platforms we’ve covered offer a range of tools, from automated inbox setup to advanced analytics, so you can pick one that fits your specific needs. Whether you’re focused on scaling quickly, keeping costs low, or integrating with your existing tools, there’s likely an option here that works for you.

Each platform has its own way of handling email delivery, setup, and campaign management, so it’s worth taking the time to compare them. Think about what matters most for your business - maybe it’s fast domain setup, unlimited mailboxes, or detailed performance tracking. Testing a few of these services through free trials or demos can help you figure out which one feels right for your workflow.

Ultimately, the best choice depends on your goals and how you run your campaigns. By exploring these alternatives to Hypertide.io, you can find a solution that keeps your emails landing in inboxes and your outreach on track. Take a closer look at their features and pricing to make sure you’re set up for success.

Double your outbound sales with Maildoso!

We provide the infrastructure for cold outreach with the highest possible deliverability. Forget about the spam folder—set up hundreds of mailboxes in just 10 minutes, starting at only $1.80/month!

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