Pricing
InfraBoxes pricing (per inbox per month)
Google Workspace typically costs $8 per inbox and most mailbox providers charge $4–$5 per inbox. InfraBoxes gives you private, isolated infrastructure at $3.5/inbox for smaller teams, going down to $2.3/inbox as you scale.
If you select 100+ mailboxes, we include free data and GTM consultation to help you design your outbound strategy and validate your lists.
9–15 inboxes
$4.5
per inbox / month
30–100 inboxes
$3.5
per inbox / month
100–300 inboxes
$3
per inbox / month
300–500 inboxes
$2.8
per inbox / month
500–1,000 inboxes
$2.5
per inbox / month
1,000+ inboxes
$2.3
per inbox / month
Cold Email Infrastructure Providers - Pricing Comparison
See how InfraBoxes pricing compares to other providers like Google Workspace, Microsoft 365, Inframail, Inboxkit, and Maildoso. This table shows the real cost of 30, 100, and 300 inboxes — so you can understand how much you save by switching to private infrastructure.
| Tool | Pricing Model (Per Inbox) | Cost for 30 Inboxes | Cost for 100 Inboxes | Cost for 300 Inboxes | Infrastructure Type | Domain Control | Deliverability & Protection |
|---|---|---|---|---|---|---|---|
| InfraBoxes | Tiered: $4.5 → $3.5 → $3 → $2.8 → $2.5 → $2.3 | $105 | $350 | $900 | Private dedicated stacks per ~10 domains | Full control; isolated pools | Premium warmup, burn alerts, bounce + reply monitoring |
| Infraforge | ~$5–$7 per inbox | ~$180 | ~$600 | ~$1,800 | Shared or semi-dedicated infra | Partial control | Basic warmup & shared pool signals |
| Google Workspace | ~$8 per inbox | $240 | $800 | $2,400 | Traditional inbox hosting | Standard domain config | Not built for cold outreach |
| Microsoft 365 | ~$5 per inbox | $150 | $500 | $1,500 | Traditional inbox hosting | Standard tenant config | Not optimized for mass cold outreach |
| Inframail | ~$5 per inbox (usage-based) | $150 | $500 | $1,500 | Mixed infra; technical setup | Requires technical config | Depends on custom setup; DIY |
| Inboxkit | ~$4.5 per inbox | $135 | $450 | $1,350 | Shared infra | Limited control | Shared warmup + basic health metrics |
| Maildoso | ~$4.5 per inbox | $135 | $450 | $1,350 | Shared IP warmup pool | Shared reputation | Pooled warmup; limited control |
What’s included
Private infra that cold emailers can trust.
Your senders keep the inbox-style clarity while you gain automation around warmup, sequencing safeguards, and deliverability reporting. Every plan includes custom domains, burn alerts, and API access.
Unlimited inboxes
Built to mirror the clarity of your inbox while keeping sending infrastructure private and resilient.
Realtime analytics
Built to mirror the clarity of your inbox while keeping sending infrastructure private and resilient.
Deliverability timeline
Built to mirror the clarity of your inbox while keeping sending infrastructure private and resilient.
Webhook + API access
Built to mirror the clarity of your inbox while keeping sending infrastructure private and resilient.
Compare quickly