SendOut warms your domains, monitors your reputation, and launches campaigns that actually get read. Built for cold email teams who can't afford to land in spam.
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outreach@company.io
sales@agency.co
hello@brand.com
Email providers are getting smarter. A cold domain, poor sending patterns, or missing authentication records can silently route your entire campaign to spam — before a single prospect even knows you exist.
outreach@newdomain.io
→ ceo@prospect.com
sales@freshbrand.co
→ founder@startup.io
hello@unwarmed.com
→ cto@bigco.com
~46% of cold emails land in spam folders
Every feature in SendOut is designed around one goal: getting your emails read by real humans, not filtered into oblivion.
Gradually ramp up sending volume with human-like engagement patterns. Our AI mimics real conversations so ESPs never flag your domains.
Real-time monitoring of SPF, DKIM, DMARC, and blacklists. Get instant alerts before a reputation issue kills your campaign.
Deep visibility into inbox vs spam placement, open rates by provider, and domain health scores across your entire mailbox fleet.
Multi-step sequences with personalization, auto-follow-ups, and sending throttles tuned to each mailbox's warm state.
Connect Gmail, Outlook, AWS SES, and custom SMTP. Manage unlimited mailboxes from a single unified dashboard.
AES-256-GCM encryption for every stored credential. Your mailbox passwords never leave your infrastructure in plain text.
From first login to inbox-ready campaign in three simple steps.
Add your Gmail, Outlook, or SMTP accounts in minutes. SendOut securely stores credentials with military-grade encryption.
Our engine begins sending human-like exchanges between your mailboxes and our global seed network, building a trusted reputation.
Once your domains are warm, launch cold email campaigns with confidence. Monitor inbox placement in real time.
Start for free. Scale as you grow. No hidden fees or surprise overages.
For individuals and testing
For growing teams
For high-volume operations
Free tools
“Our reply rates went from 1.2% to 8.9% after three weeks of warming with SendOut. The difference is night and day.”
Marcus T.
Head of Growth, SalesOS
“We had 6 domains blacklisted before finding SendOut. Now all our outreach lands in inbox. The reputation monitoring alone is worth it.”
Priya N.
Founder, Reach Agency
“Managing 45 client mailboxes used to be a nightmare. SendOut consolidates everything and the automation does the heavy lifting.”
James W.
Senior SDR, TechFlow
Join teams sending campaigns with consistent inbox placement. Start warming your first domain in minutes.
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