Head to head

Infraforge vs Mailforge

Same facts, side by side: starting price, free tier, MCP, API and what each one is actually built for.

Infraforge

$4/mailbox/mo

Private cold-email infrastructure from $4 per mailbox per month, billed yearly, with a 10-slot minimum and a REST API.

Where Infraforge fits

  • Agencies that want private IPs they control
  • Teams automating mailbox setup through the API
  • Senders who follow strict deliverability rules
  • Shops mixing Forge products for ESP diversity

Mailforge

$3/mailbox/mo

Shared-IP cold email mailboxes from $3 per mailbox per month, billed yearly, with a 10-slot minimum.

Where Mailforge fits

  • Teams starting shared-IP outbound cheaply
  • Senders who expect some spam complaints
  • Buyers who want yearly mailbox billing
  • Shops already in the Forge stack

At a glance

DetailInfraforgeMailforge
Starting price$4/mailbox/mo$3/mailbox/mo
Free tier–No–No
MCP server–No–No
Public API✓Yes–No
Listed underDeliverabilityDeliverability

Where they pull apart

Infraforge

Stands out: Dedicated servers plus a public REST API at api.infraforge.ai for domains, mailboxes, and sequencer export.

Watch out: Minimum 10 slots. Extra IPs are $99 per month billed quarterly. No free trial. Separate from Mailforge.

Not the right fit for

  • Buyers who need fewer than 10 mailboxes
  • Teams that expect a high spam-complaint volume

Mailforge

Stands out: Automated SPF, DKIM, and DMARC plus mailbox slots you can delete and recreate at no extra cost.

Watch out: Minimum 10 mailbox slots. No free trial. You pay for slots even if some sit empty. Separate from Infraforge and Primeforge.

Not the right fit for

  • Buyers who need fewer than 10 mailboxes
  • Teams that want a free trial before buying domains

Pros and cons

Infraforge

  • $4/mailbox/mo on yearly billing
  • REST API included
  • Dedicated private servers
  • 10 mailbox slot minimum
  • Extra IPs $99/mo quarterly
  • No free trial

Mailforge

  • $3/mailbox/mo on yearly billing
  • Automated DNS on every domain
  • Cancel anytime, no contract
  • 10 mailbox slot minimum
  • No free trial
  • Empty slots still bill

What each one costs

Infraforge

$4/mailbox/mo

Mailbox slots $4/month billed yearly, 10-slot minimum. 25 slots are $83/month yearly vs $100/month quarterly. Extra IPs $99/month billed quarterly. Masterbox $7/workspace/month annual or $9 quarterly..com domains $14/year. SSL/masking $2/domain/month quarterly or $6/domain/year. API included. No free trial. Confirm current terms on the vendor site.

Checked 19 Sep 2026

Mailforge

$3/mailbox/mo

Mailbox slots are $3/month billed yearly, 10-slot minimum. Monthly billing costs more (25 slots $75/month monthly vs $60/month yearly, which is two months free)..com domains $14/year. SSL/domain masking $2/domain/month or $6/domain/year. No free trial. Cancel anytime. Confirm current terms on the vendor site.

Checked 19 Sep 2026

Common questions

Is Infraforge cheaper than Mailforge?
Mailforge starts lower, at $3/mailbox/mo against $4/mailbox/mo for Infraforge. That is the entry plan on each side, so the real number depends on seats and the tier you land on.
Can you try Infraforge or Mailforge for free?
Neither carries a free tier on our listing.

Not the pair you wanted?

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Editorial listings, never paid rankings. Prices checked 19 Sep 2026. Confirm current terms on the vendor site. Spot an error?