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Maildoso vs Mailforge (2026): which should you pick?

As of Nov 12, 2026, Mailforge grades higher than Maildoso: 1.6 against 1.4 out of 4.0.

Checked Nov 12, 2026 · graded Nov 12, 2026 by ToolGPA

Mailforge grades higher on value for money. They get the same grade on the free plan, features, ease of use and platforms.

Price, platforms and features side by side. The table says where each price was read and when.

Maildoso

Cold email mailboxes and domains sold by the mailbox

From $75/mo

Mailforge

Shared-IP domains and mailboxes built for cold email sending

From $3/mo

Which one is for you

Pick Maildoso if

  • Fits if you need 30 or more mailboxes for an outbound team
  • Works for senders who already run Instantly or Smartlead

Look elsewhere if

  • Skip it if you need just a few mailboxes, since 30 is the smallest block
  • Not for you if you want a trial or a discount, because neither exists
  • Watch out: domains cost extra, $15 a year or $11.90 a month pre-warmed
  • Tight if you want volume per mailbox: 15 cold emails a day each

Pick Mailforge if

  • Fits if you want cheap mailboxes for a sequencer you already pay for
  • Works for small senders happy on shared IPs

Look elsewhere if

  • Skip it if you want a tool that sends campaigns, as it doesn't
  • Not for you if you want a trial, since there isn't one
  • Watch out: slots are charged whether or not a mailbox is created
  • Pricey if you add domains and masking: .com is $14 a year and masking is $2 per domain a month

How we grade them

1.4GPAMaildosoWeak1.6GPAMailforgeWeak
Value for money
D$75 a month for 30 mailboxes is the smallest plan, which is where the category's dearest tenth begins. Domains aren't included. It is cheaper per mailbox as blocks grow.
C$3 a slot a month billed monthly, with a 10-slot minimum, so $30 at the floor. Just above the category's cheaper quarter ($25), before domains.
Free plan and trial
FNo free plan and no trial on record. It also has a no-discount policy.
FNo free plan or trial. You can look around after signing up, but sending means buying domains and mailboxes.
Features
DMailboxes and DNS only. It is infrastructure and needs a separate sender, and each mailbox is capped at 15 cold emails a day.
DDomains, mailboxes and DNS only. It needs a separate sender to be useful, and shared IPs share a reputation.
Ease of use
CNo store rating on record. Mailboxes come set up, but new ones need about 14 days of warm-up and a sender to connect.
CNo store rating on record. DNS is automated, but domains, slots and a sender all have to be put together.
Platforms and integrations
BWeb, exporting to Instantly, Smartlead, Saleshandy and EmailBizon.
BWeb with an API, and Salesforge, Infraforge, Warmforge and Primeforge from the same maker.
Best forblocks of cold-email mailboxesbulk mailboxes for cold email on shared IPs

The GPA is the average of the five grades: an A is 4 points, an F is none. The full reasons are on each tool's page: Maildoso and Mailforge. How we grade

Price against what you get

Maildoso starts at $75 a month and scores 2.0 out of 4 on features, ease of use and platforms. Mailforge starts at $3 a month and scores 2.0.

They score the same, and Mailforge starts $72 a month lower. Of the other cold outreach tools on the chart, 30 score higher than Maildoso for less, and none scores higher than Mailforge for less.

Features, ease of use and platforms, averaged

D1.0C2.0B3.0A4.0$2$5$10$20$50$100$200$500$1kMore for lessCosts more, scores moreCosts less, scores lessCosts more, scores lessMaildosoMailforge

What paid plans start at, a month (each step along is roughly double) →

  • The best score at each price
  • Has a free plan
  • No free plan
The full chart of cold outreach tools, and the best at every price

Where they differ

  • Mailforge also covers inbox warm-up.
In commonWebPublic APIDMARC

At a glance

MaildosoMailforge
PricingPaidPaid
Starts at$75 per month for 30 mailboxes$3 per mailbox slot / month, billed monthly, with a 10-slot minimum
Free planNoneNone
Free trialNone listedNone listed
Web
Made byBacklinkSwappers, inc.Mailforge
Price read frommaildoso.aimailforge.ai
CheckedNov 12, 2026Nov 12, 2026

Worth knowing

Maildoso

  • Each mailbox sends at most 15 cold emails and 80 warm-up emails a day, and new mailboxes still need about 14 days of warm-up unless they sit on pre-warmed domains.
  • Domains are not included in monthly plans: registration is $15 a year and a pre-warmed domain is $11.90 a month.
  • Quarterly plans with domains included are labeled legacy on the pricing page; the monthly blocks are the current plans.
  • Subscriptions are canceled through support chat or email, and the page says it has a no-discount policy with no promotions.

Mailforge

  • Slots are billed whether or not a mailbox is created in them, and the minimum purchase is 10.
  • Domains are bought separately; the calculator prices .com at $14 a year, charged once, with no annual discount on domains.
  • There is no free trial; the app can be explored after sign-up, but domains and mailboxes must be purchased to send.
  • Each Forge product is a separate subscription, and SSL and domain masking costs $2 per domain a month.

Key features

Maildoso

Mailboxes built for outbound
Dedicated mailboxes on the vendor's own servers and IPs, with IP rotation and automatic replacement of IPs that stop working.
Automatic DNS setup
SPF, DKIM and DMARC records are configured when you register mailboxes under a domain bought or connected through the dashboard.
Self-healing and health scores
Burned-out mailboxes are disconnected from campaigns for 14 days, and inbox placement tests run every 3 days with a health score per mailbox.
Sequencer export
Mailboxes can be exported to outreach platforms; Instantly, Smartlead and EmailBizon sync with one click, and the vendor says 9 sequencers are supported.
API and MCP server
Register domains, create mailboxes and push them to a sequencer from code or from an AI assistant such as Claude.
Pre-warmed domains
Domains warmed in advance, each holding up to 50 mailboxes, so new mailboxes can start sending without the usual 14-day wait.

Mailforge

Automated DNS setup
Each domain added gets DMARC, SPF, DKIM and custom domain tracking configured, with bulk DNS updates in the app.
Shared IP pool
Mailboxes are spread across a shared IP pool, in contrast with Infraforge's dedicated servers.
Pre-warmed domains and mailboxes
The page says domains and mailboxes can be bought pre-warmed so sequences can start right away.
Workspaces and domain transfers
Projects can have their own workspaces, and domains can be transferred in or out.
Works with any sending tool
Mailboxes connect to any sending software, including Salesforge from the same vendor.
SSL and domain masking
An add-on that redirects securely while masking the domain behind a branded website.

Plans

Maildoso

  • 30 mailboxes$75

    per month for 30 mailboxes ($2.50 each)

    Aimed at early-stage teams. Up to 15 cold emails a day per mailbox, plus the features every plan includes.

  • 300 mailboxes$225

    per month for 300 mailboxes ($0.75 each)

    Aimed at expanding teams. Same features and 15-a-day limit per mailbox as the smaller block.

  • 1,000 mailboxes$499

    per month for 1,000 mailboxes ($0.49 each)

    Aimed at large-scale campaigns. Same features and per-mailbox limit.

Mailforge

  • Mailbox slots$3

    per mailbox slot / month, billed monthly, 10-slot minimum

    Slots are the capacity to create mailboxes and are charged whether used or not. The calculator shows 25 slots at $75 a month, or $60 a month billed yearly.

Ways to pay less

Maildoso

No public discounts listed.

Mailforge

  • Annual discount

    Two months free on annual mailbox billing

    The FAQ says annual billing for mailboxes gets 2 months free automatically; there is no discount on domains.

Common questions

Which is cheaper, Maildoso or Mailforge?

As of Nov 12, 2026, Mailforge is cheaper to start with: $3 a month, against $75 a month for Maildoso. Maildoso starts at $75 per month for 30 mailboxes, and Mailforge starts at $3 per mailbox slot / month, billed monthly, with a 10-slot minimum.

Which has a free plan, Maildoso or Mailforge?

As of Nov 12, 2026, neither Maildoso nor Mailforge has a free plan.

More comparisons

How this page was made

  • The verdict at the top follows a fixed rule. When both tools are in the same category and either is in our top three for it, the verdict follows that ranking: the higher-placed tool is our pick. The top three weigh who each tool suits as well as its grades, so a pick can go against the GPA. Otherwise the page does not pick one and says which grades higher: the higher GPA first; on a tie, the one with a free plan, then the one that starts cheaper in dollars a month, counted the same way for both; if they are still level, what the choice depends on.
  • The grades are our own, from each tool’s review or report card. The GPA is their average.
  • Prices, plans and platforms come from each tool’s listing. The table above says where each price was read and when.
  • The differences and the answers to the questions are worked out from those listings.
How we review and grade