Win the enterprise inbox
Microsoft 365 mailboxes reach the Outlook-heavy B2B world the way Gmail can't. US-IP, automated authentication, $2.5 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 $2.5 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).
Based on 22 weekday sending days/month and provider daily limits. Estimate only.
Provision Microsoft mailboxes
Bulk-create with AI autofill in minutes.
Automated DNS setup
SPF/DKIM/DMARC set automatically so your mailboxes are authenticated and ready for your own warmup.
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.
