MassInbox

MassInbox is a mass email subscriptions service that automates large-scale email outreach for businesses. Marketed as the world's first mass emailing agency, it offers a fully asynchronous, low-friction solution to launch, manage, and scale cold email campaigns without the need for in-house lists or ongoing meetings. The service highlights rapid growth, precision targeting, and flat-rate pricing designed to replace traditional agencies and freelancers.

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Key Highlights

• Rapid growth claims: typical clients report significant increases in sales (between 229% and 347%), depending on funnel quality and industry.
• Precision targeting: designed to reach the ideal audience to maximize conversions.
• Fully asynchronous operations: no meetings required; management and communication are handled via a dedicated dashboard.
• Trello integration: manage design and outreach tasks on a shared board; invite unlimited team members.
• Simple, predictable pricing: flat monthly subscriptions with no contracts or setup fees.
• High deliverability: claims of high inbox rates (85%+ for standard, higher for Pro).
• Compliance: GDPR, CAN-SPAM, and UK Data Protection Act compliance.
• Fast setup: start in minutes; onboarding and campaign setup are designed to be quick.
• Comprehensive feature set: list building, copywriting, personalization, campaign reports, and ongoing support.
• Use cases span B2B and B2C, across industries like ecommerce, SaaS, Web3, online education, and more.

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How It Works

1. Describe your business and target audience. Provide a description of your ideal customer and location.
2. Campaign setup. MassInbox handles the rest: list building, email copywriting, and campaign configuration.
3. Launch and monitor. Campaigns run asynchronously; you monitor progress via the dashboard with real-time status (active, queued, completed).
4. Results and optimization. Access campaign reports and optimize copy and targeting for better results.

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Plans & Pricing

• Standard: 150,000 cold emails per month at a flat rate with 85%+ inbox rate. Includes email personalization and campaign reports. Terminates or pauses anytime.
• Pro: 350,000 cold emails per month at a higher flat rate, with AI email personalization and 95%+ inbox rate, plus campaign reports. Pausable anytime.

Billing is on a 31-day cycle with no hidden fees; you can pause campaigns without losing remaining days of service.

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Frequently Asked Questions

• What if I don’t have an email list? MassInbox can describe your customer profile and generate aligned emails automatically.
• Is it compliant with regulations? Yes, it complies with GDPR, CAN-SPAM, and data protection laws.
• Can I use my own copy? Yes; you can supply your own email copy, and MassInbox will test and optimize variants.
• What niches work best? MassInbox targets mass-market outreach across multiple industries, including ecommerce, SaaS, Web3, newsletters, and online education.
• How does the pause feature work? You can pause a plan; billing continues only after you resume, with unused days kept for future use.
• Are refunds available? No refunds due to the high-quality nature of the work.

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Benefits & Outcomes

• Scale outreach with a single subscription rather than hiring full-time staff.
• Access dedicated account management and ongoing support.
• Outsource list-building, copywriting, and optimization to specialists.
• Achieve faster time-to-value: results can appear within days of activation.
• Stay compliant while maximizing deliverability and engagement.

Core Features

• Flat monthly pricing with no contracts
• 150k (Standard) or 350k (Pro) cold emails per month
• 85%+ inbox rate (Standard) / 95%+ inbox rate (Pro)
• Email personalization and copywriting included
• Campaign reports and analytics
• AI-assisted copy personalization (Pro)
• List building and lead generation capabilities
• GDPR, CAN-SPAM, and UK Data Protection Act compliance
• Fully asynchronous workflow; no mandatory meetings
• Trello-based design and task management; invite unlimited team members
• Instant setup and dedicated account manager
• Quick start: describe business, start campaigns within minutes

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Usage Scenarios

• Businesses seeking scalable cold outreach without building an internal team
• Marketing teams needing fast, compliant outreach with measurable results
• Companies wanting predictable, flat-rate pricing for outreach campaigns