We Tried 5 Maildoso Alternatives for Google Mailboxes
If you're using cold email to reach prospects, you've probably heard of Maildoso.
It's a popular platform that helps you create mailboxes and domains quickly.
You can launch hundreds of inboxes in minutes and start sending right away.
But what if you want Google Workspace mailboxes instead of using Maildoso’s built-in inbox system?
Or maybe you're looking for more control, better pricing, or tools that fit your outreach style?
That’s why we went out and tested 5 Maildoso alternatives, all of which support Google (and some also support Microsoft) mailboxes, and they’re built to help with cold outreach at scale.
In this guide, we’ll break down how these tools compare to Maildoso, what they’re best at, and which one might be the right fit for your team.
Let’s get started.
TL;DR – 5 Best Maildoso Alternatives for Google Mailboxes
- Infraforge – Best overall Maildoso alternative if you want scalable, dedicated Google Workspace infrastructure with strong deliverability control.
- Zapmail – Ideal budget-friendly option for fast, pre-warmed Google mailboxes with minimal setup and quick launch.
- Inframail – Best for simple and reliable Google mailbox setup without extra complexity or heavy learning curves.
- Mailscale – Ideal for teams that care deeply about inbox warm-up, sender reputation, and long-term deliverability.
- Mailforge – Best all-around alternative for teams that want a balanced mix of setup speed, warm-up, and scalability.
How We Evaluated These Maildoso Alternatives
To find the best and most reliable Maildoso alternatives, we focused on factors that directly impact mailbox quality, deliverability, and inbox management for Google Workspace cold email.
We evaluated each platform based on the following criteria:
- Mailbox quality and reliability, including how stable the Google Workspace inboxes are and how long they stay active without issues.
- Deliverability performance, including inbox placement, spam risk, and how well each tool helps protect sender reputation over time.
- Google Workspace support, including proper setup and handling of Google mailboxes used specifically for cold email outreach.
- Automation and bulk setup, including automated DNS configuration, bulk mailbox creation, and overall setup efficiency.
- Pricing and long-term scalability, evaluating how well each tool supports solo users, small teams, and large agencies as mailbox needs increase.
Each alternative was reviewed based on how well it improves inbox reliability, deliverability, and scaling compared to Maildoso.
Why Should You Look for Maildoso Alternatives?
Maildoso is built for fast and scalable cold email infrastructure.
It helps teams create mailboxes, set up domains, and start sending outreach in minutes.
For high-volume B2B campaigns, it works very well.
However, Maildoso runs as its own Email Service Provider (ESP), which means less flexibility in some areas.
Depending on your needs, this may be a reason to look at alternatives.
Here are a few common reasons why teams look for Maildoso alternatives:
- Maildoso uses its own ESP instead of Google Workspace inboxes. Some teams prefer using real Google inboxes for internal workflows or brand familiarity.
- It manages domains and DNS internally and does not allow custom DNS records. If you want full control over your domains, alternatives may be a better fit.
- Maildoso mainly connects to outreach tools through CSV exports and IMAP/SMTP. Some alternatives offer more native or direct integrations.
- It is built only for B2B cold email and strongly limits sending to free email providers like Gmail or Yahoo.
- Maildoso offers a powerful AI-based warm-up system, but some teams prefer tools that allow more manual control or the ability to combine multiple warm-up networks.
For these reasons, many users explore Maildoso alternatives that better match their setup preferences, scaling goals, or outreach style.
1. Infraforge – Private Email Infrastructure for Cold Outreach at Scale
Infraforge is a private email infrastructure platform built specifically for cold email outreach.
It helps sales teams, agencies, and outbound operators create and manage domains and mailboxes with dedicated IPs and automated DNS setup.
Unlike sending tools, Infraforge does not focus on sequences or campaign automation.
Instead, it provides the core email infrastructure needed to protect sender reputation, improve deliverability, and scale outbound safely.
Key Features of Infraforge:
- Infraforge uses dedicated servers and IPs, giving you full control over deliverability without being affected by other senders.
- Infraforge allows bulk creation of domains and mailboxes, making it easy to scale from a few inboxes to thousands.
- Users can manage multiple workspaces, which is useful for agencies handling multiple clients or teams.
- Infraforge supports pre-warmed domains and mailboxes for teams that want to start sending faster.
- The platform includes sender rotation, smart sending limits, and deliverability monitoring to reduce spam risk.
Infraforge vs Maildoso: Quick Comparison
Pros of Infraforge
- Infraforge gives you full control over deliverability with dedicated IPs.
- Automated DNS setup removes technical complexity.
- It supports multiple workspaces for better organization.
Cons of Infraforge
- Infraforge does not offer a free trial with active mailboxes.
- Dedicated infrastructure is more expensive than shared inbox solutions.
- It requires good deliverability practices to maintain results at scale.
Infraforge Pricing
- Mailboxes cost $4 per mailbox per month, with discounts bringing it closer to $3 per mailbox on annual plans.
- Domains are purchased separately, typically around $13–$14 per year for .com domains.
- A minimum of 10 mailbox slots is required.
- Optional add-ons include dedicated IPs, SSL & domain masking, and Masterbox for reply management.
2. Zapmail – Pre-Warmed Google & Microsoft Mailboxes for Cold Email
Zapmail is a cold email infrastructure platform built to help teams create, manage, and scale Google Workspace and Microsoft 365 mailboxes optimized for outbound outreach.
Unlike sending tools, Zapmail focuses purely on mailbox infrastructure, automated setup, and deliverability, so you can plug inboxes into your outreach tool and start sending quickly.
Key Features of Zapmail
- Zapmail provides official Google Workspace and Microsoft 365 mailboxes, hosted on US or EU IPs, to support strong inbox placement.
- The platform offers pre-warmed mailboxes with up to 12 weeks of warm-up history, allowing teams to start sending from day one.
- Zapmail automatically configures SPF, DKIM, DMARC, and custom tracking domains, removing the need for manual DNS setup.
- Each domain runs in its own workspace with admin access, which helps isolate sender reputation and reduce cross-domain risk.
- Users can bring their own domains or purchase new ones directly inside the dashboard.
Zapmail vs Maildoso: Quick Comparison
Pros of Zapmail
- Pre-warmed mailbox options reduce warm-up time and risk.
- Workspace-level isolation improves deliverability and reputation control.
- Wide compatibility with most cold email sending platforms.
- Strong automation for bulk domain and mailbox management.
Cons of Zapmail
- Pricing increases as mailbox volume grows.
- Focused mainly on outbound use cases, not general email hosting.
- No refund policy once a plan is purchased.
Zapmail Pricing
- Starter Plan – $39/month, includes 10 mailboxes, with additional mailboxes at $3.50 per mailbox.
- Growth Plan – $99/month, includes 30 mailboxes, with additional mailboxes at $3.25 per mailbox.
- Pro Plan – $299/month, includes 100 mailboxes, with additional mailboxes at $3.00 per mailbox and API access.
- Pre-Warmed Mailbox Plans – Available separately, with higher per-mailbox pricing based on warm-up history and included domains.
Discounts are available on quarterly and yearly billing.
3. Inframail – Cold Email Infrastructure Platform
Inframail is a cold email infrastructure platform designed for B2B agencies and outbound teams that need to create and manage large numbers of email inboxes at scale.
Instead, Inframail focuses on mailbox creation, domain setup, dedicated IP infrastructure, and deliverability, which you then connect to tools like Instantly or Smartlead for campaign execution.
Key Features of Inframail
- Inframail allows users to create unlimited Microsoft-based email inboxes on a flat monthly plan without per-inbox fees.
- The platform automatically configures SPF, DKIM, and DMARC records, removing the need for manual DNS setup.
- Inframail runs on Microsoft-backed infrastructure with dedicated IPs, meaning deliverability is only affected by your own sending behavior.
- Users can buy new domains directly or bring existing domains, with automated setup and export to cold email tools.
- Inframail provides real-time IP and domain health monitoring, including blacklist detection and automated delisting submissions.
Inframail vs Maildoso: Quick Comparison
Pros of Inframail
- Inframail offers unlimited inboxes without charging per mailbox, making it cost-effective at scale.
- Dedicated IP infrastructure reduces risk from other senders.
- Automatic DNS setup saves significant setup time.
Cons of Inframail
- Domains are not included and must be purchased separately.
- Inbox warm-up is still required before sending.
- Inframail does not include a built-in sending or sequencing tool.
Inframail Pricing
- Unlimited Plan – $129/month, includes unlimited inboxes, 1 dedicated US IP, automated setup, and priority support.
- Agency Pack – $276/month, includes unlimited inboxes, 3 dedicated US IPs, API access, and priority support.
- DFY Email Campaign Setup – $299/month + one-time fee, includes done-for-you setup, consulting, warm-up, sending platform access, and lead data.
4. Mailscale – Cold Email Inbox Provider
Mailscale is a cold email inbox provider built for agencies and B2B teams that want to scale outbound without relying on Google Workspace or Outlook.
It focuses on fast inbox creation, domain setup, and deliverability, while letting you connect the inboxes to tools like Instantly or Smartlead for sending campaigns.
Key Features of Mailscale
- Mailscale lets you generate up to 50 or more email inboxes in minutes, instead of spending hours on manual setup.
- The platform automatically handles SPF, DKIM, and DMARC configuration, removing the need for technical DNS work.
- Users can buy domains inside Mailscale or bring their own domains, with automated setup optimized for cold outreach.
- Mailscale inboxes work with any cold email sending tool that supports IMAP/SMTP, including Instantly, Smartlead, Lemlist, and others.
- The platform uses a shared IP pool, which Mailscale states helps maintain healthier sending reputation through higher volume distribution.
Mailscale vs Maildoso: Quick Comparison
Pros of Mailscale
- Much faster inbox creation compared to Google or Outlook manual setup.
- Lower cost per inbox when scaling outbound campaigns.
- DNS and domain setup are handled automatically.
Cons of Mailscale
- Does not provide built-in sending or sequencing tools.
- Inbox warm-up is still required before full-scale sending.
- Uses shared IPs rather than dedicated IPs.
- Inbox limits depend on the selected plan.
Mailscale Pricing
- Business Plan – $119/month, includes up to 50 email inboxes, domain setup, fast onboarding, and compatibility with any email sending tool.
- Free Trial – 7 days, Trial includes inbox creation and domain setup to test deliverability and workflow before committing.
5. Mailforge – Cold Email Infrastructure Platform
Mailforge is a cold email infrastructure platform built to help teams create and manage domains and mailboxes for cold outreach at scale.
It is designed for businesses that want fast setup, automated DNS configuration, and strong deliverability without relying on Google Workspace or Microsoft 365.
Mailforge does not include a sending or sequencing tool.
Instead, it focuses on inbox hosting, domain management, and deliverability, which you then connect to tools like Salesforge or any other cold email sending software.
Key Features of Mailforge
- Mailforge allows users to create and manage mailboxes using a distributed, shared IP infrastructure designed specifically for cold email.
- The platform offers free automated DNS setup, including SPF, DKIM, DMARC, and custom tracking domains, following industry best practices.
- Users can create domains and mailboxes in under 5–10 minutes, making it one of the faster infrastructure setups for cold outreach.
- The platform supports bulk DNS updates, domain transfers, and multiple workspaces to help teams manage outreach across projects or clients.
- Advanced features like SSL and domain masking help protect primary domains and improve security at scale.
Mailforge vs Maildoso: Quick Comparison
Pros of Mailforge
- Very fast setup compared to manual Google or Outlook configurations.
- Automated DNS setup removes technical complexity.
- Shared IP infrastructure helps distribute risk across large sending volumes.
- Flexible domain and mailbox management with workspaces and bulk actions.
Cons of Mailforge
- Mailforge does not include a built-in sending or sequencing tool.
- Inbox warm-up is still required before running campaigns.
- Domains and mailboxes must be purchased to use the platform (no free trial with inboxes).
- Uses shared IPs, which may not suit teams that prefer dedicated infrastructure.
Mailforge Pricing
- Mailbox pricing ranges from $3 to $2 per mailbox per month, depending on billing frequency.
- Domains are purchased separately, typically around $14 per year for .com domains.
- SSL & Domain Masking is available as an add-on, starting at $2 per domain per month (discounted on yearly billing).
- Annual billing offers discounts on mailbox slots (up to 2 months free).
Which Maildoso Alternative Should You Choose?
Choosing the right Maildoso alternative depends on what matters most to you, speed, control, scale, cost, or long-term deliverability.
Here’s a quick guide to help you choose the best Maildoso alternative:
- If you want the most controlled and scalable option with dedicated IPs and private infrastructure → Go with Infraforge
- If you want pre-warmed inboxes you can start using immediately → Choose Zapmail
- If you want unlimited inboxes at flat pricing and don’t want to pay per mailbox → Use Inframail
- If you want quick setup with managed deliverability for small to mid-scale outreach → Try Mailscale
- If you want an affordable shared-IP solution that’s easy to manage → Use Mailforge
If your priority is clean infrastructure and predictable deliverability at scale, Infraforge is the strongest Maildoso alternative.
Try Infraforge Now!