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Maildoso sells cheap SMTP mailboxes, capped at 15 cold emails a day each. PureMail sets up real Google Workspace and Microsoft 365 inboxes that send about twice that, on your own domains, connected to your sequencer. Here is how the two kinds of cold email infrastructure compare on cost per email, mailbox type and setup.
PureMail vs Maildoso
Prices checked Sep 30, 2026PureMail
Maildoso
Choose PureMail if
Maildoso only fits if
A Maildoso mailbox is allowed 15 cold emails a day; a warmed PureMail inbox sends about 30. Matched on what you can actually send, PureMail costs less up to about 70 inboxes, and every message goes out through Google’s or Microsoft’s own servers instead of rotating SMTP pools.
Side by side
Their details come from our review, checked against the vendor’s own site on Sep 30, 2026.
| Feature | PureMail | Maildoso |
|---|---|---|
| Mailbox type | Google Workspace and Microsoft 365 | SMTP |
| Price per mailbox | $3.30 (10), $3.10 (30–100), $2.90 (101+), monthly | From $0.49 per mailbox / month on the 1,000-mailbox plan; $2.50 on the 30-mailbox plan |
| Minimum order | 10 inboxes | 30 mailboxes ($75 a month) |
| Setup | About 4 hours, done by our team | Self-serve. Buy or connect domains, mailboxes are created in minutes; API and MCP server for automation |
| DNS records | SPF, DKIM, DMARC and MX configured for you | SPF, DKIM and DMARC set automatically for bought and connected domains |
| Sequencer connection | Connected to your sending tool as part of setup | You connect them: Any sequencer via SMTP/IMAP export, API, MCP server |
| Warmup | Not bundled; warm up in your sending tool | 80 warm-up emails a day per mailbox allowed alongside 15 cold emails, with no ramp-up required, according to Maildoso. You run the warm-up in your sequencer |
| Domains | Bring your own from any registrar (GoDaddy, Namecheap, Cloudflare, Porkbun) | $12 a year each until 30 September 2026, $15 a year from 1 October 2026; included only on the quarterly legacy plans; your own domains can be connected |
| Sends from | Google’s or Microsoft’s own mail servers | Rotating IP pools on Maildoso’s own infrastructure |
| Cold emails a day | Around 30 per inbox once warmed up | 15 per mailbox, by Maildoso’s published limits |
| Recipients | Business and personal addresses | Built for B2B; the company warns placement may drop for Gmail and Yahoo addresses |
| Billing | Monthly, per inbox, any count from 10 | Monthly blocks of 30, 300 or 1,000 mailboxes |
Price
Maildoso pricing looks low per mailbox, but each mailbox is capped at 15 cold emails a day, against about 30 for a warmed Google or Microsoft inbox. So the fair comparison is the same daily volume: two Maildoso mailboxes for each PureMail inbox. On that basis PureMail costs less up to about 70 inboxes.
50
PureMail saves you $70.00 a month
$840.00 a year, with setup done for you.
Prices checked Sep 30, 2026
| Inboxes | PureMail | Same daily volume | Same mailbox count |
|---|---|---|---|
| 10 | $33.00$3.30 each | $75.00$3.75 each | $75.00$7.50 each |
| 50 | $155.00$3.10 each | $225.00$2.25 each | $150.00$3.00 each |
| 100 | $310.00$3.10 each | $225.00$1.13 each | $225.00$2.25 each |
| 500 | $1,450.00$2.90 each | $499.00$0.50 each | $499.00$1.00 each |
Prices from the vendor’s pricing page, checked on the date shown, using the cheapest plan that covers the count. Domains are extra on both: Maildoso sells them at $15 a year, PureMail uses domains you already own. Maildoso pricing ↗
Mailbox type
A Maildoso mailbox is an SMTP account on the company’s own servers, sending through rotating IP pools. It is not a Google Workspace or Microsoft 365 account, so it starts with Maildoso’s reputation rather than Google’s or Microsoft’s, and it is capped at 15 cold emails a day. The company says it is built for B2B lists and that campaigns to personal Gmail or Yahoo addresses may see lower inbox placement.
A PureMail inbox is a Google Workspace or Microsoft 365 account on your domain. It sends through Gmail’s or Outlook’s own infrastructure, the way your prospects’ colleagues email them, and a warmed inbox typically sends around 30 cold emails a day.
So Maildoso vs PureMail is not just a price question. It is which mailbox your list hears from: a capped SMTP account on rotating IPs, or the same providers your prospects read their mail in.
PureMail is a reseller for both. See our Google Workspace reseller inboxes and Microsoft 365 reseller inboxes for cold email.
PureMail
Maildoso
Setup
You choose the inbox count, Google Workspace or Microsoft 365 (or both) and your domains. Our team writes MX, SPF, DKIM and DMARC on every domain, creates each inbox with its sender name and connects it to Instantly, Smartlead, ReachInbox or the tool you send from. A typical order is live in about four hours.
Warm up in your sequencer for two to three weeks, then send around 30 cold emails a day per inbox, with up to five inboxes per domain.
It is self-serve: buy or connect domains and SPF, DKIM and DMARC are set automatically, then you export each mailbox to your sequencer over SMTP and IMAP yourself.
The published limit is 15 cold emails a day per mailbox. You run the warm-up in your sequencer.
Why switch
What changes when you move from capped SMTP mailboxes to Google Workspace and Microsoft 365 inboxes set up for you.
About 30 cold emails a day from a warmed inbox, against Maildoso’s 15, so you manage half as many accounts.
Maildoso warns placement may drop for Gmail and Yahoo addresses. Google and Microsoft inboxes are the providers those people use.
Buy exactly the inboxes you need from 10 up, with no 30-mailbox block to fill.
We write the DNS, create every inbox and connect it to your sequencer, in about four hours.
Switching
Looking for a Maildoso alternative without pausing outbound? Run both side by side while the new inboxes warm up.
You · 5 minutes
Size it by volume
At about 30 a day per inbox you need roughly half as many inboxes as Maildoso mailboxes. The calculator does the maths.
You
Bring your domains
Use domains you own at any registrar. If yours were bought inside Maildoso, ask its support how to move them first.
PureMail · ~4 hours
We set everything up
DNS on every domain, inboxes with sender names, and each one connected to your sequencer.
You · 2–3 weeks
Warm up, then move volume
Run warmup in your sequencer and shift campaigns across as the new inboxes ramp.
You
Wind down the old plan
Keep the SMTP mailboxes sending until the new inboxes carry your volume, then cancel the plan.
FAQ
Is Maildoso good, what it costs, and how to move across.
01
It is cheap SMTP with strict limits: 15 cold emails a day per mailbox, built for B2B lists, with the company itself warning that placement may drop for Gmail and Yahoo addresses. That can suit very large B2B campaigns. If you want each inbox to send more, reach personal addresses too, and send from Google or Microsoft, a Google Workspace or Microsoft 365 inbox is the better fit.
02
Maildoso is a cold email infrastructure provider that sells SMTP mailboxes on its own servers with rotating IP pools, in monthly plans of 30, 300 and 1,000 mailboxes. DNS is set automatically and you export mailboxes to your sequencer over SMTP and IMAP.
03
As of the date shown, $75 a month for 30 mailboxes ($2.50 each), $225 for 300 ($0.75) and $499 for 1,000 ($0.49). Domains are extra at $15 a year. The minimum order is 30 mailboxes, so 10 Maildoso mailboxes still cost $75, against $33 for 10 PureMail inboxes.
04
Per mailbox, from about 23 mailboxes up. Per email sent, not until you are past about 70 inboxes: a Maildoso mailbox sends 15 cold emails a day and a warmed PureMail inbox about 30, so 1,500 emails a day costs $155 with PureMail against $225 with Maildoso. Under 30 mailboxes, its $75 minimum costs more than PureMail outright.
05
At about 30 a day per warmed Google or Microsoft inbox you need around 334 inboxes on 67 domains, at five inboxes per domain. At Maildoso’s 15 a day it takes about 667 mailboxes, twice as many accounts to manage. Our cold email calculator works it out for any daily goal.
06
Send from the provider your prospects use: Google Workspace for lists that read mail in Gmail (startups, SaaS, agencies), Microsoft 365 for Outlook-heavy lists (enterprise, finance, healthcare). SMTP providers such as Maildoso cost less per mailbox but send from neither, and cap how much each mailbox can send.
07
Yes. Set up PureMail inboxes on your domains, warm them up in your sequencer for two to three weeks while your current mailboxes keep sending, then move campaigns across and cancel the old plan.
08
They arrive set up and connected to your sequencer, and you run its built-in warmup for two to three weeks at no extra cost before full volume.
Still have a question? [email protected] · contact us
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See all comparisonsDisclosure: PureMail sells Google Workspace and Microsoft 365 inboxes, so this is one vendor’s comparison. The competitor’s prices and terms are its published ones on Sep 30, 2026; see how we review. Corrections: [email protected].
Google Workspace and Microsoft 365 inboxes from $2.90 a month, set up and connected to your sequencer today.