AI-Powered Email InfrastructureBuilt for Serious GTM Teams
Intelligent mailbox provisioning with AI-driven warmup, dedicated IPs, and smart load balancing — purpose-built for outbound at scale. Native integration with the GrowthMachines.io agentic outreach platform, plus seamless CSV import into Instantly, Smartlead, and other sequencers.
Intelligent Infrastructure for Outbound at Scale
Our AI-powered platform handles the complexity of email infrastructure so you can focus on pipeline. Smart provisioning, adaptive reputation management, and one-click export.
Dedicated IPs
Every workspace gets isolated static IPs with intelligent load balancing across pools. Our AI engine monitors reputation signals in real-time and routes traffic to protect your sender score.
Real Mailboxes
Every account is a real mailbox on our proprietary mail engine — unique IMAP + SMTP credentials, individual storage, and full send/receive capability. Not aliases or shared tenants.
Automated DNS
SPF, DKIM, DMARC, and MX records created automatically via Cloudflare API. Add a domain and your DNS is configured in seconds — zero manual steps.
Universal Compatibility
Native integration with the GrowthMachines.io next-gen agentic outreach platform. Plus one-click CSV export of all credentials for legacy sequencers like Instantly, Smartlead, and Reachinbox.
Reputation Safeguards
AI-driven warmup protocols, neural reputation scoring, bounce/complaint circuit breakers, and adaptive sending strategies. Your deliverability is optimized automatically.
AI Deliverability Doctor
Autonomous diagnostics that detect blacklisting and auto-submit delisting requests, catch DNS misconfigurations, adjust sending strategies in real-time, and deliver weekly AI-generated deliverability report cards.
Pay for Capacity. Scale Without Limits.
Choose your daily sending volume — create as many accounts and domains as you need. Split your capacity however you want.
Perfect for getting started with cold outreach or testing new domains.
Get Started- Unlimited sending accounts
- Dedicated static IPs
- Real IMAP + SMTP credentials
- Automated SPF/DKIM/DMARC
- AI-powered warmup protocol
- Native GrowthMachines.io integration
- Sending strategy controls
- 1 dedicated IP included
For teams scaling outbound with multiple domains and sending strategies.
Get Started- Unlimited sending accounts
- Dedicated static IPs
- Real IMAP + SMTP credentials
- Automated SPF/DKIM/DMARC
- AI-powered warmup protocol
- Native GrowthMachines.io integration
- Sending strategy controls
- 1 dedicated IP included
- AI Deliverability Doctor
High-volume capacity for agencies and multi-client outbound operations.
Get Started- Unlimited sending accounts
- Dedicated static IPs
- Real IMAP + SMTP credentials
- Automated SPF/DKIM/DMARC
- AI-powered warmup protocol
- Native GrowthMachines.io integration
- Sending strategy controls
- 2 dedicated IPs included
- AI Deliverability Doctor
- Priority support
Maximum capacity with dedicated infrastructure for enterprise-scale operations.
Get Started- Unlimited sending accounts
- Dedicated static IPs
- Real IMAP + SMTP credentials
- Automated SPF/DKIM/DMARC
- AI-powered warmup protocol
- Native GrowthMachines.io integration
- Sending strategy controls
- 4 dedicated IPs included
- AI Deliverability Doctor
- Priority support
- Dedicated account manager
Need more capacity? Contact us for custom enterprise plans with dedicated infrastructure.
See How We Stack Up
Compare EmailMachines against leading email infrastructure providers — on both price and features.
| Provider | ~$49/mo | ~$99/mo | ~$299/mo | ~$499/mo |
|---|---|---|---|---|
| EmailMachines | $49600/day$0.0027/send | $991,750/day$0.0019/send | $2996,000/day$0.0017/send | $49912,000/day$0.0014/send |
| Zapmail | $39300/dayBased on 30 emails/day per mailbox. Zapmail resells Google Workspace accounts — cold outreach may violate Google's ToS and risk account suspension.$0.0043/send | $99900/dayBased on 30 emails/day per mailbox. Zapmail resells Google Workspace accounts — cold outreach may violate Google's ToS and risk account suspension.$0.0037/send | $2993,000/dayBased on 30 emails/day per mailbox. Zapmail resells Google Workspace accounts — cold outreach may violate Google's ToS and risk account suspension.$0.0033/send | $499~5,000/dayBased on 30 emails/day per mailbox. Zapmail resells Google Workspace accounts — cold outreach may violate Google's ToS and risk account suspension.$0.0033/send |
| InboxKit | $31300/dayBased on 30 emails/day per mailbox. InboxKit resells Azure/Outlook mailboxes — cold outreach may violate Microsoft's acceptable use policy.$0.0034/send | $81900/dayBased on 30 emails/day per mailbox. InboxKit resells Azure/Outlook mailboxes — cold outreach may violate Microsoft's acceptable use policy.$0.0030/send | $250~3,500/dayBased on 30 emails/day per mailbox. InboxKit resells Azure/Outlook mailboxes — cold outreach may violate Microsoft's acceptable use policy.$0.0028/send | $499~6,000/dayBased on 30 emails/day per mailbox. InboxKit resells Azure/Outlook mailboxes — cold outreach may violate Microsoft's acceptable use policy.$0.0028/send |
| Mailreef | — | — | $249+fees6,000/dayMailreef charges $249/mo per server (200 mailboxes × 30/day) plus $0.001 per email sent. At full capacity, send fees add ~$180/mo bringing the true cost to ~$429/mo.$0.0024/send | $498+fees12,000/dayMailreef charges $498/mo for 2 servers (400 mailboxes × 30/day) plus $0.001 per email. At full capacity, send fees add ~$360/mo bringing the true cost to ~$858/mo.$0.0024/send |
| InfraSuite | — | — | — | $500~5,000/dayInfraSuite publishes a limit of 4,950 emails/day on their Bronze plan (990 Outlook mailboxes across 10 domains).$0.0033/send |
| Google Workspace | $43 (6 users)180/dayGoogle Workspace at $7.20/user/month. Cold outreach violates their ToS — accounts may be suspended. No dedicated IPs or DNS automation.$0.0080/send | $94 (13 users)390/dayGoogle Workspace at $7.20/user/month. Cold outreach violates their ToS — accounts may be suspended. No dedicated IPs or DNS automation.$0.0080/send | $295 (41 users)1,230/dayGoogle Workspace at $7.20/user/month. Cold outreach violates their ToS — accounts may be suspended. No dedicated IPs or DNS automation.$0.0080/send | $497 (69 users)2,070/dayGoogle Workspace at $7.20/user/month. Cold outreach violates their ToS — accounts may be suspended. No dedicated IPs or DNS automation.$0.0080/send |
| Microsoft 365 | $48 (8 users)240/dayMicrosoft 365 at $6/user/month. Cold outreach may violate their acceptable use policy. No dedicated IPs or DNS automation.$0.0067/send | $96 (16 users)480/dayMicrosoft 365 at $6/user/month. Cold outreach may violate their acceptable use policy. No dedicated IPs or DNS automation.$0.0067/send | $294 (49 users)1,470/dayMicrosoft 365 at $6/user/month. Cold outreach may violate their acceptable use policy. No dedicated IPs or DNS automation.$0.0067/send | $498 (83 users)2,490/dayMicrosoft 365 at $6/user/month. Cold outreach may violate their acceptable use policy. No dedicated IPs or DNS automation.$0.0067/send |
Competitor daily volumes estimated at 30 emails/day per mailbox — the generally accepted limit before deliverability degrades. EmailMachines capacity is guaranteed, not estimated.
Frequently Asked Questions
Once you sign up and add a domain, you can provision sending accounts instantly through our dashboard. Each account is a real mailbox on our proprietary mail engine with unique IMAP and SMTP credentials. Our AI handles DNS configuration, warmup scheduling, and reputation monitoring automatically. Provisioning takes less than 5 seconds per account.
EmailMachines integrates natively with GrowthMachines.io — the next-gen agentic outreach platform — with zero-config account syncing. For legacy sequencers, we provide one-click CSV export formatted for Instantly, Smartlead, Reachinbox, and others. You can also use the IMAP/SMTP credentials with any email client or custom sending infrastructure.
Unlimited — on every plan. We price by daily sending capacity, not by number of accounts. The Starter plan gives you 500 emails/day, Growth gives you 2,000/day, and Scale gives you 10,000/day. You can split that capacity across as many accounts and domains as you want.
Yes. Every workspace gets at least one dedicated static IP with full reverse DNS, SPF, and DKIM configuration. You can add additional dedicated IPs for $15/mo each to isolate domains or sending strategies.
When you add a domain, we automatically generate and configure all required DNS records — SPF, DKIM, DMARC, and MX — via the Cloudflare API. If your domain uses Cloudflare, records are created automatically. For other DNS providers, we show you exactly which records to add.
We offer two strategies per sending pool: Reputation Safe (max 4 emails/day per account for conservative warmup) and Balanced Scale (max 40 emails/day per account for established senders). Each pool can have its own strategy.
Our Neural Cortex engine manages warmup automatically. It starts new accounts at conservative sending volumes and gradually increases based on real-time reputation signals — bounce rates, engagement metrics, and provider feedback loops. The AI adapts each account's ramp independently, so high-performing accounts scale faster while at-risk accounts get additional protection.
We enforce hard daily sending caps, warmup ramps for new accounts, and circuit breakers that auto-pause sending pools when bounce rates exceed 2% or complaint rates exceed 0.3%. Each client's IPs are fully isolated — one client's behavior never affects another.