Inbox providers · 45th of 52 · 2026
Mailscale pricing and review
mailscale.ai · Private SMTP infrastructure · founded 2023 · legal entity: Zen Tech LLC · Visit site ↗
- Deliverability17/27
- Inbox choice6/16
- Sending2/15
- API & AI0/7
- Buying terms6/10
- Setup cost3/25
Why it ranks here
Sells private SMTP inboxes. Inboxes arrive pre-warmed, so you can start sending sooner. Deliverability: automatic SPF/DKIM/DMARC, inbox placement tests and replacement of burned inboxes. Agencies get client workspaces or a white-label option.
Key features
- Automatic SPF/DKIM/DMARC
- Inbox placement tests
- Replacement of burned inboxes
- Private SMTP inboxes
- Domain purchase
Best for
High-volume senders who need private SMTP inboxes.
Pricing
- Per inbox
- $5.27
- At volume
- $1
- Cheapest plan
- $79/mo
- Domain (.com)
- $15/yr
Monthly billing. Pricing page ↗ · checked Oct 31, 2026
Scorecard
| DeliverabilityWhat protects sender reputation without extra tools or subscriptions. | 17/27 | ||
|---|---|---|---|
| Inbox choiceWhich types of inboxes and domains you can get in one place. | 6/16 | ||
| Sending and workflowWhether you can run and manage campaigns without another tool. | 2/15 | ||
| API and AI agentsHow easy it is to automate the setup from code or an AI assistant. | 0/7 | ||
| Buying termsHow much you risk before you know it works. | 6/10 | ||
| Cost of a working setupWhat 30 inboxes plus warm-up and a sequencer cost per month — the cheaper, the more points. | 3/25 | ||
| Total | 34/100 | 16 of 20 conditions checked |
The evidence
Every condition, what the vendor's own site says, and where.
| Deliverability | |||
|---|---|---|---|
| Ongoing warm-up included in the priceNot found on site | 0/6 | ||
Pre-warmed inboxesConfirmedPre-warmed mailboxes. Launch on outreach domains that are already warmed, so you skip the two-week ramp and start sending on day one. | source ↗ | 2/2 | |
Automatic SPF, DKIM and DMARC setupConfirmedEverything is included and configured for you, including the domains, the mailboxes and all the technical authentication behind the scenes. | source ↗ | 5/5 | |
Inbox placement or spam testsConfirmedOur mailboxes are self-healing: the system checks inbox placement every single day and quietly repairs any mailbox that starts slipping toward spam, before it ever costs you results. We guarantee that at least 90% of you | source ↗ | 5/5 | |
Replacement of burned inboxes or domainsConfirmedWhere a deliverability commitment applies, it provides domain replacement only. | source ↗ | 5/5 | |
Dedicated IP optionNot offeredIPs are shared between customers, which is actually a healthier approach that leads to better deliverability. | source ↗ | 0/4 | |
| Inbox choice | |||
Google Workspace inboxesNot offeredTransferring email accounts from Gmail or Outlook is currently not possible. | source ↗ | 0/5 | |
Microsoft 365 / Outlook inboxesNot offeredTransferring email accounts from Gmail or Outlook is currently not possible. | source ↗ | 0/5 | |
Private SMTP/IMAP inboxesConfirmedIt's perfectly normal for one email account to use the SMTP host from another batch. Our server simply stores emails and facilitates their delivery. | source ↗ | 3/3 | |
Domain purchase inside the productConfirmedDomain costs vary depending on the extension. Here are the prices for some common extensions: .com ($15.00/year) | source ↗ | 3/3 | |
| Sending and workflow | |||
Built-in campaign sequencerNot offeredUltimately, the choice between Instantly and Smartlead comes down to your individual requirements and the features that are most important to you. | source ↗ | 0/5 | |
| Unified inbox for repliesNot found on site | 0/4 | ||
Export to other sending toolsNot offeredDownload your CSV file. Navigate to the email account section of Smartlead.ai. Click on 'Add accounts.' Drag and drop your CSV file into the designated field. | source ↗ | 0/4 | |
Multi-client workspaces or white-labelConfirmedYou can manage all your email accounts for different domains or clients directly from your dashboard... This makes it easy to manage all your clients and their emails under one central account! | source ↗ | 2/2 | |
| API and AI agents | |||
| Public APINot found on site | 0/4 | ||
| Official MCP serverNot found on site | 0/3 | ||
| Buying terms | |||
Prices published on the siteConfirmedSolopreneur Plan: $79 per month for up to 15 email accounts. Business/Agency Plan: $119 per month for up to 50 email accounts. Enterprise Plan: $249 per month for up to 200 email accounts. | source ↗ | 4/4 | |
Free plan, free trial or money-back guaranteeNot offeredNo refunds or credits will be issued for partial usage, early cancellation, failure to cancel prior to renewal, lack of results, or customer dissatisfaction. | source ↗ | 0/4 | |
Monthly billing availableConfirmedSolopreneur Plan: $79 per month for up to 15 email accounts. | source ↗ | 2/2 | |
| Cost of a working setup | |||
Cost of a working setup (30 inboxes)Calculated30 inboxes × $5.27 = $158 + $97 — Instantly Hypergrowth for warm-up and sending (the inbox price includes neither) = $255/month | how ↗ | 3/25 | |
Alternatives to Mailscale
Where we checked
- help.mailscale.ai/en/articles/9727433-how-do-we-charge
- mailscale.ai/refund-policy
- help.mailscale.ai/en/articles/9727448-what-are-the-prices-for-domains
- mailscale.ai/
- help.mailscale.ai/en/articles/9725866-do-we-have-a-dedicated-server
- help.mailscale.ai/en/articles/9725863-can-i-transfer-my-old-email-accounts-from-gmail-outlook
- help.mailscale.ai/en/articles/9725872-why-is-one-email-account-using-the-smtp-host-from-another-batch
- help.mailscale.ai/en/articles/9726302-which-is-better-instantly-or-smartlead
- help.mailscale.ai/en/articles/9726312-how-to-import-accounts-into-smartlead-ai
- help.mailscale.ai/en/articles/9725809-how-do-i-manage-different-emails-for-various-domains-clients
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