Mailforge vs Mailpool
An independent, review-free comparison compiled by the SaaSTracker editorial team. Both products are profiled in full, and neither can pay for placement here.
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The short answer
Both sides assessedMailforge compared with Mailpool
Mailpool offers provider choice per inbox (Google, Microsoft, or SMTP) with no minimum and monthly or annual billing, against Mailforge's ten-slot minimum on annual billing. Mailforge stays the better fit for teams already inside the Salesforge stack.
Mailpool compared with Mailforge
Mailforge sells mailbox slots at about $3 a month on annual billing with a ten-slot minimum and $14 .com domains, inside the Salesforge stack. Mailpool has no minimum, bills monthly or annually, and lets a team choose Google, Microsoft, or SMTP per inbox. Salesforge users will find Mailforge more integrated; independent teams wanting provider choice and no minimum will prefer Mailpool.
Choose Mailforge if
Small businesses and agencies that have chosen a sending platform and now need ten to a few hundred secondary mailboxes on properly configured domains, without spending a weekend in a registrar's DNS panel or risking their primary company domain.
Choose Mailpool if
Small outbound teams and agencies that want to mix Google, Microsoft, and cheaper SMTP inboxes under one account, buy them one at a time with no minimum, and handle domains, DNS, and sequencer export themselves without a sales call.
Side by side
13 attributes| Attribute | Mailforge | Mailpool |
|---|---|---|
| Category | Infrastructure | Infrastructure |
| Starting price | $3 per mailbox slot per month billed yearly, ten-slot minimum, so about $30 per month (free trial) | $3 per SMTP inbox per month, $4 per Google Workspace inbox, $5 per Microsoft 365 inbox, billed monthly; $2.60, $3.40, and $4.30 on annual billing (free trial) |
| Pricing model | Slot-based subscription for mailbox capacity, billed monthly or annually with a ten-slot minimum, plus separate per-year domain registration and an optional per-domain SSL add-on. | Per-inbox subscription by mailbox type, billed monthly or annually, with automatic volume discounts, a per-server price for a dedicated IP, and custom pricing for dedicated infrastructure. Domains are purchased separately. |
| Free plan | No | No |
| Free trial | None; this is provisioned infrastructure with real domain and hosting costs behind it | None; the vendor suggests buying a single $3 inbox to evaluate the platform |
| Best for | Small businesses and agencies that have chosen a sending platform and now need ten to a few hundred secondary mailboxes on properly configured domains, without spending a weekend in a registrar's DNS panel or risking their primary company domain. | Small outbound teams and agencies that want to mix Google, Microsoft, and cheaper SMTP inboxes under one account, buy them one at a time with no minimum, and handle domains, DNS, and sequencer export themselves without a sales call. |
| Setup time | Minutes to buy and provision, but plan for two to three weeks before meaningful volume. Domains register and DNS propagates quickly, mailbox creation is bulk and fast, and then warm-up and ramp-up set the real timeline. | The vendor says SMTP and Google inboxes can be created in seconds and a batch of SMTP accounts across domains in under five minutes, while Microsoft 365 inboxes are ready within a few hours. DNS propagation and warmup still need time before full volume. |
| Learning curve | Low for the tool, moderate for the discipline. The interface is a calculator and a provisioning screen. What is hard is knowing how many mailboxes per domain to run, what daily caps to hold, and when to retire a mailbox, and Mailforge helps with the first of those and not the others. | Low. Buying domains, creating inboxes, and exporting them are guided steps in the dashboard; choosing the right mix of mailbox types is the main decision. |
| Platforms | Web app, Bulk domain and mailbox provisioning console | Web app, API, OAuth and CSV export to sequencers |
| Compliance | SPF, DKIM, and DMARC configured automatically on every provisioned domain, Sender obligations under CAN-SPAM and GDPR remain entirely with you as the sender, since Mailforge supplies infrastructure and never touches your campaign content | SPF, DKIM, and DMARC configured automatically, Operated by Snowlight Ventures OÜ under Estonian law; terms reference the GDPR, ePrivacy Directive, and CAN-SPAM as customer obligations, No compliance certifications published, The pricing comparison lists end-to-end encryption, automated backup, and SSO and SAML without specifying which plans include them |
| Founded | 2022 | 2024 |
| Headquarters | Tallinn, Estonia | Tallinn, Estonia |
| Ownership | Founder-led, largely bootstrapped with a small early round | Privately held (Snowlight Ventures OÜ, trading as Mailpool) |
Strengths and limitations
Mailforge
Strengths
- Removes the single most tedious and error-prone part of running cold email, which is provisioning domains and writing SPF, DKIM, and DMARC records correctly at scale.
- Slot-based pricing means deleting and recreating burned mailboxes costs nothing, which matches how outbound programs actually behave.
- At about $3 a mailbox per month on annual billing, it is at the cheap end of the infrastructure market.
- The sizing calculator is genuinely useful and steers new buyers away from stacking too many mailboxes on one domain.
Limitations
- It is not a sending platform, so it is always a second purchase alongside a sequencer, which some buyers do not realize until after checkout.
- Shared infrastructure means you do not control the sending behavior of other customers on the same platform, which is precisely why the vendor also sells Primeforge and Infraforge.
- No warm-up included, so a fresh Mailforge setup is not ready to send at volume on day one and needs another subscription.
- Ten-slot minimum excludes small users who just want two or three extra mailboxes.
Mailpool
Strengths
- Google Workspace, Microsoft 365, and SMTP inboxes in one dashboard, with separate infrastructure for each.
- No minimum purchase: a single inbox can be bought for $3, month to month.
- Published per-inbox prices on both monthly and annual billing.
- AI domain generator, bulk domain purchase, and automated SPF, DKIM, DMARC, forwarding, and tracking domain setup.
Limitations
- Domain prices are not published.
- Google inbox pricing reflects a first-year discount and rises to an unpublished renewal rate after twelve months, according to the terms.
- No free trial and no refunds outside what consumer law requires.
- API documentation is only available on request.
Pricing compared
Mailforge
Slot-based subscription for mailbox capacity, billed monthly or annually with a ten-slot minimum, plus separate per-year domain registration and an optional per-domain SSL add-on.
- Mailbox slots, annual billing$3
- Mailbox slots, monthly billing$5
- Domain registration$14
- SSL and domain masking add-on$2
At $3 a slot annually, Mailforge is among the cheapest ways to get authenticated mailboxes at scale. Model it properly: sending 10,000 emails a month at a conservative 30 a day per mailbox needs roughly eleven to fifteen mailboxes, so about $45 a month of slots plus two or three domains, which is genuinely cheap next to the sequencer bill. At 100,000 a month you need on the order of 110 to 150 mailboxes, about $330 to $450 a month of slots plus twenty to thirty domains, and at that point the shared-infrastructure question becomes the real decision rather than the price. Compare that against Primeforge at $4.50 a slot for genuine Workspace and Microsoft 365 mailboxes and the premium for real provider mailboxes is only about 50 percent, which is a smaller gap than most buyers assume.
Mailpool
Per-inbox subscription by mailbox type, billed monthly or annually, with automatic volume discounts, a per-server price for a dedicated IP, and custom pricing for dedicated infrastructure. Domains are purchased separately.
- Mailpool (SMTP)$3
- Google Workspace$4
- Microsoft 365 Outlook$5
- Dedicated IP$200
- Dedicated InfrastructureCustom
Mailpool's appeal is flexibility at a fair price rather than the lowest price. Google inboxes at $4 monthly or $3.40 annually sit in the same band as Cheap Inboxes, Premium Inboxes, and InboxKit, and Microsoft at $5 or $4.30 is in line with the market, while SMTP at $3 is more expensive than SMTP specialists such as Maildoso or Winnr, which fall well below $2 at volume. For 10,000 cold emails a month at around thirty sends a day per inbox, about fifteen Google inboxes cost $60 a month or $51 annually, before domains. What Mailpool gives you for that is a single account where all three mailbox types, a dedicated IP, workspaces, and an API live together, and the ability to buy one inbox at a time. The two gaps in the bill are real: domain prices are not published, and the terms say Google pricing moves to renewal rates after year one, so budget for a higher year-two cost on Google inboxes.
Editorial verdict on each
Mailforge
InnovationMailforge does one unglamorous job well: it turns the multi-hour ritual of registering domains and hand-writing SPF, DKIM, and DMARC records into a calculator and a checkout, at about $3 a mailbox per month. If you have already picked a sending platform and need ten to a few hundred secondary mailboxes without touching your company domain, it is among the cheapest and least annoying ways to get them, and slot-based billing correctly rewards retiring burned mailboxes. Two things should govern the decision. First, this is infrastructure, not a sequencer, and it is always a second bill. Second, it is the shared tier of a ladder whose upper rungs exist for a reason: if inbox placement is your binding constraint rather than cost per mailbox, the extra $1.50 a slot for real Workspace mailboxes from Primeforge is usually the better buy.
Read the full Mailforge profileMailpool
Mailpool is a sensible choice for a small team that does not want to pick one kind of mailbox. Google, Microsoft, and SMTP inboxes live in one dashboard, a single inbox can be bought for $3 with no bundle or minimum, and the domain generator, automatic DNS, deliverability audit, client workspaces, and API cover the rest of the setup without a sales call. Its prices are fair rather than the lowest: SMTP specialists undercut it on SMTP and InboxKit undercuts it on Google at annual rates. The bigger caution is what is missing from the price list. Domain prices are not published, the terms say Google inboxes move to an unpublished renewal rate after the first year, the API documentation is on request, and some pricing details differ between pages. Teams that want flexibility and to start small should try it with a few inboxes; teams buying hundreds of Google seats should compare the year-two cost first.
Read the full Mailpool profileMailforge profile last reviewed 2026-08-22; Mailpool last reviewed 2026-09-26. Pricing is compiled from public sources and can change without notice. See our methodology.
The best in Cold Email Infrastructure
15 trackedCold email infrastructure providers supply the sending layer underneath an outbound campaign: they register secondary domains, provision Google Workspace, Microsoft 365, or private mailboxes in bulk, write the SPF, DKIM, and DMARC records automatically, and hand the credentials to whichever sequencer you already use.
Official Google, Microsoft, and Azure mailboxes at the lowest published price in the category, with automated DNS, InfraGuard monitoring, and more than twenty sequencer integrations behind them.
Ten minutes of setup, mailboxes live inside two hours with SPF, DKIM, and DMARC already written, and a one-click push into the sequencer, with no sales call at any tier.
Pre-warmed Google and Microsoft mailboxes and a reported one million inboxes across 50,000 businesses by 2026 make Zapmail the category's fastest riser.
Bulk domain and mailbox provisioning with the DNS done automatically collapsed a week of deliverability setup into a checkout flow, and defined how this category now works.
Mailboxes from forty-nine cents with placement testing, IP rotation, an API, and an MCP server included rather than gated, the strongest capability-per-dollar in the category.
Frequently asked questions
6 questionsWhat is the difference between Mailforge and Mailpool?
Mailpool offers provider choice per inbox (Google, Microsoft, or SMTP) with no minimum and monthly or annual billing, against Mailforge's ten-slot minimum on annual billing. Mailforge stays the better fit for teams already inside the Salesforge stack.
Is Mailforge or Mailpool cheaper?
Mailforge starts at $3 per mailbox slot per month billed yearly, ten-slot minimum, so about $30 per month (free trial). Mailpool starts at $3 per SMTP inbox per month, $4 per Google Workspace inbox, $5 per Microsoft 365 inbox, billed monthly; $2.60, $3.40, and $4.30 on annual billing (free trial). The billing models differ, so the entry price is rarely the whole cost. Mailforge pricing model: Slot-based subscription for mailbox capacity, billed monthly or annually with a ten-slot minimum, plus separate per-year domain registration and an optional per-domain SSL add-on. Mailpool pricing model: Per-inbox subscription by mailbox type, billed monthly or annually, with automatic volume discounts, a per-server price for a dedicated IP, and custom pricing for dedicated infrastructure. Domains are purchased separately.
Does Mailforge or Mailpool have a free plan?
Mailforge has no free plan. Trial terms: None; this is provisioned infrastructure with real domain and hosting costs behind it. Mailpool has no free plan. Trial terms: None; the vendor suggests buying a single $3 inbox to evaluate the platform.
Who should choose Mailforge?
Small businesses and agencies that have chosen a sending platform and now need ten to a few hundred secondary mailboxes on properly configured domains, without spending a weekend in a registrar's DNS panel or risking their primary company domain.
Who should choose Mailpool?
Small outbound teams and agencies that want to mix Google, Microsoft, and cheaper SMTP inboxes under one account, buy them one at a time with no minimum, and handle domains, DNS, and sequencer export themselves without a sales call.
What are the best alternatives to Mailforge and Mailpool?
SaaSTracker profiles 15 products in Cold Email Infrastructure. The Summer 2026 awards in the category went to InboxKit (Category Leader), InboxKit (Ease of Use), Zapmail (Momentum). Every profile is compiled from primary sources, so a shortlist can be built from pricing, limitations, and fit rather than from star ratings.
