Stop buying mailbox bundles. Build the full stack with SimpleInboxes.
SimpleInboxes is the stronger Maildoso alternative when you want freedom instead of fixed packages: Microsoft 365, Google Workspace, SMTP+, Azure-style infrastructure, no fixed domain bundle, no forced mailbox package, and real WhatsApp support.
Microsoft
$2.99/mo
$3.30/mo
Minimum order
1 inbox
Support
SimpleInboxes stack
One dashboard. Every inbox type.
Microsoft
SMTP+
Azure
SimpleInboxes
Full stack
Maildoso
Narrower setup
Quick verdict
SimpleInboxes wins where it matters.
SimpleInboxes is the better fit when you want a full-stack inbox platform instead of a narrow package-based setup.
- Use Microsoft, Google, SMTP+, and Azure-style infrastructure from one dashboard
- Avoid fixed domain requirements and package-only buying
- Give agencies client workspaces, API access, and WhatsApp support
Comparison
How SimpleInboxes compares to Maildoso
Maildoso can work for package buyers. SimpleInboxes is built for operators who want control: choose the provider, bring or buy domains, avoid fixed domain quantities, and manage every client from one clean workspace.
Why SimpleInboxes
Built for the work after the first order
Cold email infrastructure is not just provisioning. It is support, recovery, client management, and clean operations when campaigns change.
Microsoft
SMTP+
Azure
Well-rounded
More provider choices in one place
SimpleInboxes gives you Microsoft, Google, SMTP+, and Azure-style infrastructure from one dashboard so you can build the right mix for every campaign.
Bring
your domains
Buy
inside app
Scale
any count
Domain freedom
No fixed domain package required
Bring your own domains or buy through SimpleInboxes. You are not boxed into a preset domain count just to launch.
POST /api/v1/orders
{
"provider": "microsoft",
"workspace": "client_a"
}
Agency-ready
Client workspaces without the mess
SimpleInboxes keeps each client organized with separate workspaces, billing visibility, credentials, orders, and bulk actions.
Questions
Maildoso alternative FAQ
Short answers for teams comparing cold email infrastructure providers before they move domains and inboxes.
Why is SimpleInboxes better than Maildoso?
SimpleInboxes is more complete: Microsoft, Google, SMTP+, Azure-style infrastructure, no fixed domain bundle, API access, dedicated WhatsApp support, and agency workspaces.
Do I have to buy a fixed number of domains?
No. SimpleInboxes lets you bring your own domains or buy domains through the platform without locking your order into a fixed domain package.
Does SimpleInboxes support small tests?
Yes. You can start with a tiny order, even one inbox, then scale when the campaign is ready.
Ready for simpler inbox infrastructure?
Start with one inbox, scale to thousands, and get a real human in the loop when infrastructure needs attention.