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Endy Inboxes

Vendor: Endy Inboxes

Endy Inboxes provides automated cold email infrastructure with Google Workspace and Microsoft 365 inboxes, free .com domains, automated warmup, and deliverability monitoring for high-volume outreach.

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email Sales teams and agencies scaling cold email outreach seeking high inbox deliverability and rapid setup. #cold email #email infrastructure #deliverability #google workspace #microsoft 365 #outreach #automated warmup #domain rotation #free domains

Overview

Endy Inboxes is an automated cold email infrastructure provider that sets up Google Workspace and Microsoft 365 inboxes with free .com domains in just a few clicks. The service handles domain purchase, DNS configuration (SPF, DKIM, DMARC, MX), and provides full admin-level control over every domain. It includes native two-factor authentication, app passwords for any email client, an automated warmup engine that grows sender reputation without manual effort, domain rotation, engagement analytics, and live deliverability monitoring. Inboxes are uploaded directly to the user's preferred sending platform with warmup turned on and settings optimized. The platform is purpose-built for outbound email at scale and trusted by 300+ teams.

Key Features

Rapid Setup

Full domain and inbox provisioning completed within 48 hours, reducing onboarding delays.

Automated DNS Configuration

Automatically sets up SPF, DKIM, DMARC, and MX records to ensure strong authentication and inbox placement.

Individual Admin Panels per Domain

Offers granular control over each domain's email infrastructure to optimize deliverability.

Profile Customization Support

Assists with setting up profile pictures and display details to enhance trust and engagement.

Google Workspace & Microsoft 365 Compatibility

Uses widely trusted email providers to improve deliverability and reduce spam filtering.

Scalable, Pay-As-You-Go Infrastructure

Add inboxes as needed without overcommitting to large upfront packages, ideal for growing outbound teams.

Automated Warmup Engine

Grows sender reputation automatically without manual babysitting; recommended warmup duration is 2-3 weeks for maximum deliverability.

Domain Rotation & Management

Provides free .com domains, purchases and configures domains at no cost, and allows users to keep domains upon offboarding.

Engagement Analytics & Live Deliverability Monitoring

Baked-in analytics and real-time monitoring to track performance and maintain high inbox placement rates.

Inbox Upload to Sending Platforms

Uploads inboxes directly to preferred sending platforms with warmup turned on and settings already optimized.

Native Security Features

Includes native two-factor authentication for account security and app passwords that plug into any email client or outreach tool.

Pros & Strengths

  • ✓
    Efficient Setup: Users appreciate the quick and hassle-free setup process, with full provisioning often completed within 48 hours.
  • ✓
    Responsive Support: The support team is noted for being helpful and readily available to assist with infrastructure setup.
  • ✓
    Granular Domain Control: Individual admin panels offer granular control over each domain's email infrastructure to optimize sender reputation and deliverability.
  • ✓
    High Deliverability: Achieves industry-leading 95% inbox placement rates with Google Workspace and Microsoft 365 accounts.
  • ✓
    Free Domains Included: Provides free .com domains, purchases and configures them at no cost, and allows users to keep domains upon offboarding.
  • ✓
    Automated Warmup & Optimization: Inboxes are uploaded to sending platforms with warmup turned on and settings optimized, saving significant manual effort.
  • ✓
    Strong Customer Testimonials: Trusted by 300+ teams with consistent praise for reliability, communication, and ROI from founders and growth leaders.

Cons & Tradeoffs

  • ⚠
    Young Domain Age: The relatively recent establishment of the domain may raise concerns for some users regarding historical sender reputation.
  • ⚠
    Infrastructure Only: Provides inbox hosting and authentication but does not include built-in email sequencing or campaign automation tools, requiring integration with third-party platforms.

Known Limitations

  • • Provides inbox hosting and authentication but does not include built-in email sequencing or campaign automation tools, requiring integration with third-party platforms.
  • • The relatively recent establishment of the domain may raise concerns for some users regarding historical sender reputation.

Pricing & Plans

Model: subscription
USD100 /month

Tier-based pricing model with three main plans: Growth Plan at $100/month for 20 mailboxes, Hypergrowth Plan at $400/month for 100 mailboxes, and Enterprise Plan at $1,200/month for 400 mailboxes. Additional mailboxes available on a pay-as-you-go basis ($3-$5 per mailbox depending on tier). All plans include free .com domains, automated warmup, and inbox upload to sending platforms.

✓ Free Plan ✓ Free Trial

Pricing verified: 2026-08-20

Editorial Info

Last Reviewed: 2026-08-20

Verified Sources & Research

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