Mailscale

Summary

Mailbloom is a dedicated cold email infrastructure platform that gives you isolated servers, fresh IP addresses, and automated DNS configuration. Solves deliverability issues caused by shared servers, ensuring your cold emails reach the inbox instead of spam.

What is Mailbloom?

Mailbloom provides fully isolated email servers used only by you. Each server comes with fresh IP addresses, automatic SPF, DKIM, DMARC setup, and supports up to 200 mailboxes and 50 domains. No per-mailbox or per-email fees—one flat price includes everything. Setup completes in minutes and works with Instantly, Smartlead, and other cold email tools.

Core Capabilities

• 100% isolated servers: Only your emails send from this server, unaffected by other users
• Fresh IP addresses: No history, no blacklists, clean start
• Automated DNS configuration: SPF, DKIM, DMARC auto-configured, no technical skills needed
• Up to 200 mailboxes per server: No extra per-mailbox charges
• One-click SMTP export: Direct integration with Instantly, Smartlead, Lemlist
• 24/7 monitoring and expert support: Average 5-minute response, real human support
• Domain purchase or bring your own: .com domains from $5.99 (promo until March 1, 2026)

Pros

• Fully isolated infrastructure—your reputation unaffected by others
• Flat $299/month per server, no per-mailbox or per-email fees
• Setup completes in minutes with all technical config automated
• Supports up to 200 mailboxes and 50 domains, flexible scaling
• Real expert support with average 5-minute response time

Cons

• Fixed $299/month per server—higher cost for low-volume senders
• Requires managing sending volume and warmup strategy (though monitoring assists)
• Focused on cold email scenarios, not general business email
• API functionality not yet available (marked as coming soon)

Decision Guidance

Use Mailbloom when: You send 10,000+ cold emails monthly, run a lead gen agency, need isolated infrastructure for multiple clients, or want to escape Google Workspace per-mailbox fees as a fast-growing startup.

Consider alternatives when: You send fewer than 5,000 emails monthly, have a tight budget as an individual user, or only need general business email (not cold outreach)—traditional email providers may suffice.