IN THE FIELD GUIDE
maildoso.ai
Scaling cold email outreach campaigns with high deliverability and reputation management. Automated SPF, DKIM, and DMARC setup for mailboxes. Integration with popular outreach platforms such as Instantly, Smartlead, and Saleshandy with one-click mailbox connection.
THE PRODUCT, BEYOND THE PITCH
Editorially reviewed · Sources checked Oct 29, 2026
THE COST FOR YOUR TEAM
Published plan prices for your team size and usage. Results update as you type. Taxes, currency conversion and unlisted add-ons are excluded, and anything the source did not state is called out rather than guessed.
Cheapest fit for 1 person, all 1 tools
$75.00/month
$900.00 a year on these plans.
| Tool / plan | Monthly | Per year | What this assumes |
|---|---|---|---|
30 mailboxesCheapest fit Flat subscription | $75.00 | $900.00 | Automatically extracted from the linked pricing source. Seat allowances, usage limits, taxes and terms are not confirmed — check them with the provider. |
300 mailboxes Flat subscription | $225.00 | $2,700.00 | Automatically extracted from the linked pricing source. Seat allowances, usage limits, taxes and terms are not confirmed — check them with the provider. |
1,000 mailboxes Flat subscription | $499.00 | $5,988.00 | Automatically extracted from the linked pricing source. Seat allowances, usage limits, taxes and terms are not confirmed — check them with the provider. |
Based on the sources below. Editorial review does not imply hands-on product testing.
Candidates based on category and primary feature. Check feature and pricing differences before switching.
ColdSire is a cold email setup platform that provides premium email infrastructure with high deliverability using Google and Microsoft mailboxes from a mixed pool including real businesses. It offers domain isolation with dedicated workspaces to maintain domain reputation and integrates with tools like instantly.ai and smartlead.ai for easy setup.
Scaling cold email outreach campaigns for lead generation and sales prospecting. Unlimited mailboxes and storage with no storage fees. Built-in setup and automated warm-up handling DNS, warm-ups, and sender rotation automatically.
SmartReach.io is a cold email and multichannel outreach software that integrates email, LinkedIn, calls, and WhatsApp outreach in one platform. It includes features for deliverability protection, lead finding, campaign automation, team inbox management, reporting, and CRM synchronization.
FoxReach is a cold email outreach platform that integrates warmup, inbox rotation, and deliverability monitoring. It supports unlimited email accounts, lead import, and launching email sequences from a unified platform.
Changes to the facts recorded here, not a live scan of every vendor update. Save this tool to follow updates in your account.
Updated: best for, export formats, features, integrations, limitations, plans, sources, summary, use cases, walkthrough
Before: ["B2B teams and agencies running cold email outreach campaigns at scale."]
After: ["B2B teams and agencies needing scalable cold email infrastructure with strong deliverability."]
Before: []
After: ["Mailboxes can be exported directly from the Email Account page for use with any outreach platform."]
Before: ["Automated SPF, DKIM, and DMARC setup for mailboxes.","Integration with popular outreach platforms such as Instantly, Smartlead, and Saleshandy.","Self-healing mailboxes that pause and recover burned mailboxes automatically.","IP rotation to send campaigns from multiple IP addresses to improve deliverability.","Deliverability monitoring with inbox placement tests every 3 days and health scores for each mailbox."]
After: ["Automated SPF, DKIM, and DMARC setup for mailboxes.","Integration with popular outreach platforms such as Instantly, Smartlead, and Saleshandy with one-click mailbox connection."]
Before: ["Integrates with outreach platforms including Instantly, Smartlead, Saleshandy, and EmailBizon."]
After: ["Integrates with outreach platforms including Instantly, Smartlead, Saleshandy, and EmailBizon.","API access to manage domains, mailboxes, warmup, and integration with any cold outreach platform."]
Before: ["Sending limit of up to 15 emails per day per mailbox.","Domains must be purchased separately from mailbox subscriptions."]
After: ["Sending limit of up to 15 emails per day per mailbox."]
Before: []
After: [{"name":"30 mailboxes","note":"Automatically extracted from the linked pricing source. Seat allowances, usage limits, taxes and terms are not confirmed — check them with the provider.","annual":null,"monthly":75,"perSeat":false,"currency":"USD","features":[],"extraUnit":null,"unitLabel":"","maximumSeats":null,"minimumSeats":1,"includedUnits":null,"startingPrice":false,"seatsConfirmed":false},{"name":"300 mailboxes","note":"Automatically extracted from the linked pricing source. Seat allowances, usage limits, taxes and terms are not confirmed — check them with the provider.","annual":null,"monthly":225,"perSeat":false,"currency":"USD","features":[],"extraUnit":null,"unitLabel":"","maximumSeats":null,"minimumSeats":1,"includedUnits":null,"startingPrice":false,"seatsConfirmed":false},{"name":"1,000 mailboxes","note":"Automatically extracted from the linked pricing source. Seat allowances, usage limits, taxes and terms are not confirmed — check them with the provider.","annual":null,"monthly":499,"perSeat":false,"currency":"USD","features":[],"extraUnit":null,"unitLabel":"","maximumSeats":null,"minimumSeats":1,"includedUnits":null,"startingPrice":false,"seatsConfirmed":false}]
Before: [{"url":"https://maildoso.ai/","label":"Maildoso | Outbound Mailboxes for Cold Email & Deliverability"},{"url":"https://maildoso.ai/pricing","label":"Maildoso Pricing: Mailboxes from $0.49/mo"},{"url":"https://maildoso.ai/product/smtp","label":"SMTP Mailboxes for Cold Email Outreach | Maildoso"},{"url":"https://maildoso.ai/resources/product-updates","label":"Maildoso Product Updates & Feature Releases"}]
After: [{"url":"https://maildoso.ai/","label":"Maildoso | Outbound Mailboxes for Cold Email & Deliverability"},{"url":"https://maildoso.ai/pricing","label":"Maildoso Pricing: Mailboxes from $0.49/mo"},{"url":"https://maildoso.ai/resources/product-updates","label":"Maildoso Product Updates & Feature Releases"}]
Before: "Scaling cold email outreach campaigns with reliable mailboxes and infrastructure. Automated SPF, DKIM, and DMARC setup for mailboxes. Integration with popular outreach platforms such as Instantly, Smartlead, and Saleshandy."
After: "Scaling cold email outreach campaigns with high deliverability and reputation management. Automated SPF, DKIM, and DMARC setup for mailboxes. Integration with popular outreach platforms such as Instantly, Smartlead, and Saleshandy with one-click mailbox connection."
Before: ["Scaling cold email outreach campaigns with reliable mailboxes and infrastructure.","Improving email deliverability for cold outreach campaigns through optimized mailboxes and domain protection."]
After: ["Scaling cold email outreach campaigns with high deliverability and reputation management.","Managing multiple mailboxes and domains for agencies and sales teams running several outbound setups simultaneously."]
Before: ["Register domains directly in the dashboard or connect your own domains.","Enter mailbox names; SPF, DKIM, and DMARC are auto-configured.","Mailboxes are ready in 10 minutes to export and use with any outreach platform.","Set up integration with popular platforms like Instantly, Smartlead, and Saleshandy."]
After: ["Register domains in the dashboard or connect existing ones.","Enter mailbox names; SPF, DKIM, and DMARC are auto-configured.","Mailboxes are ready to export and use with any outreach platform within 10 minutes.","Set up integration with popular platforms like Instantly, Smartlead, and Saleshandy."]
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