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Home/Cold-email infrastructure/Maildoso
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VerifiedChecked 2026-09-12

Maildoso

Outbound email infrastructure providing SMTP and Google Workspace mailboxes, domains, authentication setup, warm-up, deliverability monitoring, and sequencer connectivity.

Cold-email infrastructureDeliverability monitoringEmail & mailbox hostingSender reputation tools
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On this page
FootprintOverviewPricingReviewsIntegrationsSources

Revenue footprint

Where Maildoso fits

Revenue areas

Primary and supporting use cases
Job coverage

Selected jobs

3 distinct jobs across 1 revenue area

StrongManage sender reputation ↗

Provides operational controls and signals relevant to sender reputation, including IP rotation, mailbox recovery, domain status, and mailbox health scores.

Maildoso source ↗
StrongMonitor email deliverability ↗

Runs inbox-placement tests every three days and displays current health scores for each mailbox.

Maildoso source ↗
StrongProvision mailboxes and domains ↗

Provides domains and mailboxes for outbound communication and automatically configures SPF, DKIM, and DMARC.

Condition: SMTP plans; monthly plans require separately purchased or customer-owned domains.Maildoso source ↗

Overview

What Maildoso does

Maildoso provisions outbound mailboxes and sending domains, automatically configures SPF/DKIM/DMARC, supports IP rotation and mailbox recovery, monitors inbox placement, and exports or connects mailboxes to outreach sequencers.

Buying context

Fit and constraints

Best for
Outbound sales teams and agencies that need scalable cold-email mailbox and domain infrastructure.
Relevant constraints
  • SMTP mailboxes are optimized for B2B outreach; personal-provider recipients may have reduced inbox placement.
  • SMTP limit is stated as 15 cold emails and 80 warm-up emails per mailbox per day.
  • Google Workspace mailboxes are currently unavailable for new purchases.
  • SMTP supports up to 99 mailboxes per domain, with no more than 8 recommended; Google Workspace supports up to 5 per domain.
  • Monthly SMTP plans require separately purchased domains or customer-owned domains.
  • New mailboxes require a warm-up period.
  • Tax treatment is not stated on the reviewed pricing pages.
Review status
Reviewed 2026-09-12

Pricing

Maildoso pricing and plans

Public USD pricing is available for SMTP mailbox packages and custom volume tiers. Domains are separately priced at $12 per domain per year for monthly/custom arrangements and included in published quarterly SMTP packages. Google Workspace new purchases are paused.

Pricing model
Tiered · Usage-based · Per organisation
Minimums
10-user minimum · 3-month commitment
Free access
30-day trial
Last checked
2026-09-12

Custom SMTP volume pricing

$2.50/mounknown · 10-user minimum · Contact sales

Minimum configuration is 10 SMTP mailboxes and 1 domain; rates apply to all mailboxes in the account based on total quantity. Domains billed separately at $12 per domain per year. Maximum is not capped.

Check current price ↗

Monthly SMTP — 30 mailboxes

$75/mo · 30 users includedunknown · 30-user minimum · Self-serve

30-day money-back guarantee is stated for new monthly SMTP users; domains are not included.

Check current price ↗

Combo SMTP + Google Workspace

$90/mo · 30 users includedunknown · 30-user minimum · Self-serve

Published combo packages list 15+15, 35+35, and 150+150 mailboxes; Google Workspace new purchases are currently paused.

Check current price ↗

Monthly SMTP — 70 mailboxes

$158/mo · 70 users includedunknown · 70-user minimum · Self-serve

Domains are not included.

Check current price ↗

Quarterly SMTP — 32 mailboxes

$299 · 32 users includedunknown · 32-user minimum · 3-month commitment · Self-serve

Includes 8 domains.

Check current price ↗

Quarterly SMTP — 68 mailboxes

$499 · 68 users includedunknown · 68-user minimum · 3-month commitment · Self-serve

Includes 17 domains.

Check current price ↗

Monthly SMTP — 300 mailboxes

$570/mo · 300 users includedunknown · 300-user minimum · Self-serve

A promotional 30-day trial offer is documented at this quantity; domains are not included.

Check current price ↗

Quarterly SMTP — 400 mailboxes

$2,199 · 400 users includedunknown · 400-user minimum · 3-month commitment · Self-serve

Includes 100 domains.

Check current price ↗

List prices can exclude tax, usage charges, onboarding, add-ons, and negotiated discounts. Check the vendor page before buying.

Reviews

Maildoso reviews

☆☆☆☆☆No published rating yet0 buyer reviews have passed editorial review

No buyer review has passed editorial validation yet. Vendor testimonials are never converted into ratings.

Environment fit

Platform & integrations

How Maildoso works with your other tools. Open a finding for its source and any plan or setup limits.

API accessA documented application programming interface is available for at least one product workflow.Not yet recorded+

A documented application programming interface is available for at least one product workflow.

Checked Not documentedNo qualifying source attached
MCP server accessThe vendor provides a documented Model Context Protocol server for product access or actions.Not yet recorded+

The vendor provides a documented Model Context Protocol server for product access or actions.

Checked Not documentedNo qualifying source attached
Single sign-onThe product supports a documented organization-managed single sign-on method.Not yet recorded+

The product supports a documented organization-managed single sign-on method.

Checked Not documentedNo qualifying source attached
Data exportUsers can export material product data in a documented reusable format.Not yet recorded+

Users can export material product data in a documented reusable format.

Checked Not documentedNo qualifying source attached

Integrations

Tools Maildoso connects to.

We haven’t added integration details for this product yet.

Not yet recorded means we haven’t added a finding here. It doesn’t mean the feature is missing. We check these connections and settings separately from the work shown on the fit map.

Product references

RevManic's fit assessments are our editorial opinion. Check Maildoso's website for the latest features, plans and pricing.

Represent Maildoso? Contact us to suggest an update, or claim this profile.

  1. Product website ↗maildoso.aiCompany source
  2. 16443027 how much do smtp mailboxes cost volume pricing tiers ↗intercom.help/maildoso/en/articles/16443027-how-much-do-smtp-mailboxes-cost-volume-pricing-tiersCompany source
  3. Pricing ↗maildoso.ai/pricingCompany source

Alternatives

Maildoso alternatives

36
ZapmailEmail infrastructure platform for cold outreach, providing domain and Google Workspace/Microsoft 365 mailbox provisioning, automated DNS setup, mailbox warm-up, deliverability tools, and exports to outreach platforms.MailreefManaged cold-email mailbox and domain infrastructure with dedicated servers and IPs.FolderlyEmail deliverability and outbound email infrastructure platform focused on sender reputation, inbox placement, and campaign performance.InfraforgePrivate cold-email infrastructure with dedicated servers/IPs, managed mailboxes, automated DNS setup, and deliverability-oriented controls.dmarcian DMARC Management PlatformDMARC management and email authentication platform for monitoring, analyzing, and improving SPF, DKIM, and DMARC compliance across email domains.GlockAppsEmail deliverability and inbox-placement testing and monitoring suite.MailReachEmail warmup and deliverability monitoring platform for B2B senders.MailtrapEmail testing, transactional delivery, and email marketing platform for developers and technical teams.WarmforgeEmail warm-up and deliverability monitoring platform for warming mailboxes, checking mailbox health, and testing inbox placement.WarmyWarmy is an email deliverability platform providing automated email warm-up, deliverability testing, monitoring, and sender-reputation tools.MxToolboxEmail deliverability and infrastructure diagnostic platform focused on blacklist monitoring, inbox placement, sender reputation, DMARC/SPF/DKIM analysis, and mail-flow monitoring.ValimailEmail authentication and DMARC platform providing sender visibility, automated enforcement, reporting, and brand-logo support.InboxAllyEmail deliverability platform that uses seed-mailbox engagement, placement testing, reputation monitoring, and warmup/recovery workflows to improve inbox placement.EasyDMARCEmail authentication, deliverability monitoring, sender-reputation, and domain-security platform focused on DMARC, SPF, DKIM, BIMI, and related email infrastructure operations.GGoogle Postmaster ToolsA free Google service for monitoring email performance, compliance, spam reports, authentication, encryption, and delivery errors for messages sent to personal Gmail accounts.PrimeforgeCold-email infrastructure providing Google Workspace and Microsoft 365 mailboxes for outbound campaigns.MailforgeShared email infrastructure for cold-email outreach, providing domains, mailbox slots, automated DNS setup, and hosted mailbox maintenance.SmartleadAI-led outbound sales platform centered on cold-email campaign orchestration, mailbox scaling, warmup, deliverability, unified reply management, and related prospecting tools.ZeroBounceEmail validation, email-finding, scoring, and deliverability-monitoring platform.InstantlyOutbound sales platform for cold-email campaigns, mailbox warmup, lead sourcing, deliverability, and AI-assisted outreach.Warmup InboxEmail warm-up and deliverability platform with inbox warming, sender-reputation monitoring, blacklist checks, and cold-email sequences.MailshakeSales engagement software for personalized cold email, automated follow-ups, multichannel outreach, lead tracking, and deliverability.BouncerEmail verification and deliverability platform for validating email addresses, protecting forms, maintaining CRM list hygiene, and monitoring deliverability.lemlistAI-powered sales engagement and multichannel outbound platform for finding leads, enriching contact data, personalizing outreach, automating campaigns, and managing deliverability.QuickMailOutbound outreach platform for cold email and LinkedIn prospecting.Google WorkspaceCloud-based productivity, communication, collaboration, administration, and AI suite for organizations.Zoho MailBusiness email hosting with custom domains, mailbox administration, calendar, contacts, tasks, notes, mobile access, and collaboration features.Microsoft 365Microsoft’s subscription suite for productivity, collaboration, communication, security, and business applications.MillionVerifierEmail verification and list-cleaning service for bulk uploads, real-time API checks, integrations, and automated email-list hygiene.WoodpeckerCold-email and LinkedIn outreach platform for personalized outbound campaigns, automated follow-ups, deliverability controls, and reply management.AmplemarketAI-powered sales platform for prospect discovery, buyer-signal monitoring, personalized outreach, and multichannel sequence execution.AiSDRAI sales development platform that researches prospects, identifies buying signals, creates personalized outreach, runs multichannel sequences, handles replies, and books meetings.SalesforgeMultichannel outbound sales platform for email and LinkedIn outreach, with AI personalization, reply management, deliverability tooling, integrations, and an optional AI SDR.SaleshandySaleshandy is an outbound sales platform combining cold-email outreach, multichannel sequences, verified B2B contact data, email warm-up, and deliverability features.Reply.ioAI-powered sales engagement platform for prospect data, multichannel outreach, meeting booking, inbox management, analytics, CRM connectivity, and Jason AI SDR.PhoneBurnerCloud-based power dialer and sales outreach platform with built-in CRM, calling workflows, email/SMS follow-up, reporting, coaching, and CRM integrations.