How MailDeck Works
MailDeck provides fully configured, official Microsoft inboxes for reliable cold email outreach without the hassle of technical setup or high costs.
48-Hour Onboarding
Our automated system handles the technical architecture, allowing you to focus on your outreach strategy while we ensure optimal deliverability.
What Our Clients Say
Trusted by 1500+ agencies, solopreneurs, and SaaS founders worldwide.
Pricing
Enterprise cold email infrastructure starting from $45/month. Flat-rate pricing with unlimited mailbox creation.
Get StartedEcosystem
MailDeck inboxes are compatible with popular outreach tools, including Instantly, Smartlead, and all existing email sending platforms.
Latest from MailDeck
- Cold Email Infrastructure Cost: 2026 Pricing Comparison [11 Providers]
- Cold Email Domain Rotation: When and How to Rotate Sending Domains [2026]
- Cold Email Deliverability Checklist: 15-Point Audit Template [Free]
- Cold Email Warm Up: What Actually Works in 2026 [Data from 1M+ Inboxes]
- Cold Email ROI Calculator [2026 Data]: Revenue and Cost Per Lead
- Cold Email Infrastructure Diversification: Why One Provider Isn't Enough [2026 Data]
- How Many Inboxes for Cold Email? Calculator + Data [2026 Guide]
Frequently Asked Questions
- What is MailDeck?
- MailDeck provides fully configured, official Microsoft inboxes for reliable cold email outreach without the hassle of technical setup or high costs.
- How Does MailDeck Guarantee Deliverability?
- MailDeck guarantees all accounts to be configured with optimal DNS, DKIM, and SPF settings to enhance deliverability. Additionally, we actively monitor deliverability rates and DMARC records.
- Can I Bring My Own Domain?
- Absolutely, you can bring your own domains or if you need help picking domains, we will provide you them as well at $12/domain.
- Does MailDeck Work with My Outreach Tool?
- MailDeck inboxes are compatible with popular outreach tools, including Instantly, Smartlead, and all existing email sending platforms.
- Recommended Amount of Sending?
- To avoid spam filters, each inbox should send only 5 cold emails per day. With multiple inboxes, you can scale your outreach efficiently.
- What's the Process?
- Choose the amount of inboxes you need, fill in our form, and MailDeck orders the inboxes from Microsoft, fully configures DNS records and adds them to your email sending platform.
- How to Cancel?
- Cancel anytime by accessing your account settings. No long-term contracts required.