Pre-verified Microsoft Outlook inboxes, fully configured for deliverability and compliance. Delivered in 24–72 hours, ready for your warm-up process.
Inbox costs starting from $0.39 per account
The most affordable cold email infrastructure on the market
Trusted by users of the world's top cold email platforms
MailSteady handles everything - from purchasing and configuring domains based on your business name to verifying and deploying inboxes optimized for cold outreach. You handle the warm-up at your own pace.
Join 41,000+ deployed inboxes and start sending at scale today
Get Started Now - From $39/monthFrom order to delivery in 5 simple steps
We buy and register domains matching your business name.
We configure SPF, DKIM, and DMARC records automatically. Your domains are fully authenticated for maximum deliverability.
Each inbox is verified and tested to ensure it's ready for cold outreach. We check deliverability and authentication status.
Fully configured inboxes delivered to you within 24-72 hours. All email accounts get uploaded into your sending sequencer.
Use your preferred warm-up tool to build sender reputation at your own pace. Start sending when you're ready for maximum deliverability.
All plans include new domains, SPF/DKIM/DMARC configuration, and free replacements. Each tenant includes 100 inboxes and scales with your sequencer. You handle warm-up at your own pace.
A clearer, cheaper, and more reliable way to scale your outreach
| Feature | MailSteady Best |
Premium Inboxes | Google Workspace | Microsoft 365 |
|---|---|---|---|---|
| Cost per Inbox | $0.39–$0.49 | $2.5–$4.5 | $7 | $7.2 |
| Domain Purchase | Included | Not included | Not included | Not included |
| Setup Time | 24–72h | 12h | Manual | Manual |
| Warm-Up Phase | 3-5 days | 14+ days | 14+ days | 14+ days |
| Deliverability Config | Enterprise Grade | Basic | None | None |
Everything you need to know about MailSteady
Your inboxes will be fully configured and delivered within 24-72 hours of placing your order. We handle all the technical setup including domain purchase, DNS configuration, and authentication setup.
After receiving your inboxes, a 3-5 day warm-up period is enough, but we recommend to keep it safe and warmup for 7 days using your preferred warm-up tool. This builds sender reputation gradually and ensures maximum deliverability for your campaigns.
Our maximum sending limit is 15 emails per inbox per day, BUT we recommend sending 6 emails per domain for longevity of the email accounts. This ensures optimal deliverability and inbox placement.
Yes! We purchase and configure domains based on your business name. All domains are included in your plan with full SPF, DKIM, and DMARC authentication configured automatically.
We provide free replacements for any flagged or compromised tenants at no additional cost. Simply contact our support team and we'll have a replacement delivered within 24-72 hours.
MailSteady inboxes work seamlessly with all major cold email platforms including Instantly, Smartlead, Lemlist, Apollo, QuickMail, PlusVibe and any other tool that supports Microsoft Outlook/365 inboxes.
Not at all! We handle all the technical setup for you. Simply place your order, and we'll deliver fully configured, ready-to-use inboxes. You just need to connect them to your preferred sequencer and start your warm-up.
Join our Discord community and ask for MailSteady discount to receive an exclusive 10% discount on all plans. You'll also get access to cold email strategies, deliverability tips, and connect with other users.
Our team is here to help you get started with MailSteady