Win the enterprise inbox
Microsoft 365 mailboxes reach the Outlook-heavy B2B world the way Gmail can't. US-IP, automated authentication, $2.50 per mailbox.
Why Microsoft for cold email
A huge share of corporate and enterprise recipients run on Microsoft 365 / Outlook, and mail sent from Microsoft infrastructure often lands more reliably with those recipients. Running Microsoft mailboxes alongside Google also diversifies your sending — if one provider tightens filters, your campaigns keep flowing. Same conservative 15/day limit and $2.50 price as Google, with reach into inboxes Gmail-only setups struggle with.
How many mailboxes do you need?
Size mailboxes, domains and monthly cost for your outreach — and see what you save vs typical infra resellers.
How many emails each contact receives in your sequence
Apples-to-apples vs Inframail, Zapmail, Mailreef · Microsoft infra ($3.50 / mailbox).
Each mailbox runs warmup at a 1:1 ratio (parallel by default). Plan your launch 14 days ahead.
Based on 22 weekday sending days/month and provider daily limits. Warmup model: parallel. Estimate only.
Provision Microsoft mailboxes
Bulk-create with AI autofill in minutes.
Automated DNS + 14-day warmup
SPF/DKIM/DMARC set automatically. Parallel 1:1 warmup runs while you prep.
One-click export to your sequencer
Instantly, Smartlead, EmailBison, Reachinbox, Lemlist — one click.
Export to any sequencer
Push your Microsoft mailboxes — fully authenticated, warmed and send-ready — straight into the cold-email tool you already use. No CSVs, no copy-paste.
