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MailBomb

Vendor: MailBomb

MailBomb provides pre-warmed Google Workspace and Microsoft 365 email accounts with automated DNS setup for scalable cold email outreach.

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email Agencies running high-volume cold email campaigns Teams needing pre-warmed email accounts with U.S. IPs Businesses requiring automated DNS configuration for email authentication #email-infrastructure #cold-outreach #pre-warmed-accounts #dns-setup #deliverability

Overview

MailBomb is a specialized service designed to streamline and scale cold email outreach for businesses. It offers pre-warmed Google Workspace and Microsoft 365 accounts with U.S. IP addresses, ensuring high deliverability and inbox placement. The platform provides automated DNS setup, including SPF, DKIM, and DMARC configurations, allowing users to launch campaigns immediately without technical hassles. With flexible pricing based on volume, MailBomb caters to agencies and teams seeking efficient email infrastructure. Free trials are available: 45 days for 9 Google Workspace or Microsoft 365 accounts, and 7 days for 3 pre-warmed accounts.

Key Features

Pre-Warmed Email Accounts

Ready-to-use Google Workspace and Microsoft 365 accounts with high deliverability and U.S. IP addresses.

Automated DNS Configuration

SPF, DKIM, and DMARC setup included for optimal email authentication and inbox placement.

Bulk Account Provisioning

Scalable solutions with volume-based discounts for larger orders.

Integration Support

Compatible with various sending tools and CRMs for seamless workflow integration, including oAuth, MasterInbox, CRM, and Slack integrations.

24/7 Support

Dedicated assistance for setup and ongoing operations with priority support options.

Bulk Satellite Domains

Maintain sender reputation with bulk satellite domains for scalable outreach.

Quick Mailbox Setup

Configure in seconds, not hours with automated domain and inbox setup.

Pros & Strengths

  • ✓
    Quick Deployment: Pre-configured email accounts enable immediate campaign launch without technical setup.
  • ✓
    High Deliverability: Proper DNS setup and U.S. IP addresses contribute to strong inbox placement rates with average 99% deliverability.
  • ✓
    Flexible Pricing: Volume-based pricing tiers accommodate various business sizes and budgets.
  • ✓
    Comprehensive Support: Dedicated assistance available for integrations and troubleshooting with 24/7 support.
  • ✓
    Free Trial Options: 45-day free trial for 9 Google Workspace or Microsoft 365 accounts, 7-day free trial for 3 pre-warmed accounts.

Cons & Tradeoffs

  • ⚠
    No Built-in Campaign Management: Lacks native email campaign creation and tracking tools.
  • ⚠
    Requires External Sending Platforms: Users must integrate with third-party tools for email sending and tracking.
  • ⚠
    Limited Public Reviews: Few publicly available user reviews and testimonials for evaluation.

Known Limitations

  • • Does not include built-in email campaign management or tracking capabilities
  • • Requires integration with external sending and tracking platforms
  • • Limited publicly available user feedback and case studies

Pricing & Plans

Model: subscription
USD1 /month

Pricing is structured per account per month with volume discounts. Google Workspace accounts range from $1 to $2 per account per month. Microsoft 365 accounts range from $2 to $3 per account per month. Pre-warmed email accounts range from $4 to $6 per account per month. Discounts apply for larger orders. Free trials available: 45 days for 9 Google Workspace or Microsoft 365 accounts, 7 days for 3 pre-warmed accounts.

✓ Free Plan ✓ Free Trial

Pricing verified: 2026-08-20

Editorial Info

Last Reviewed: 2026-08-20

Verified Sources & Research

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