Every tool for inbox domination
SendOut is purpose-built for cold email deliverability. Every feature works together to ensure your emails reach real inboxes.
Train ESPs to trust your domains
Inbox Warming Engine
Our AI-driven warm-up engine gradually increases your sending volume while simulating genuine human email behavior. Read receipts, replies, and organic thread patterns teach email service providers to trust your domains from day one.
- Adaptive volume ramping based on domain age
- Human-like reply generation with context awareness
- Multi-provider seed network spanning Gmail, Outlook, and 50+ ISPs
- Automatic pause if reputation signals degrade
Inbox Warming Engine
Know your health before it's a crisis
Reputation Monitoring
Real-time monitoring of every signal that matters — SPF alignment, DKIM signatures, DMARC policy enforcement, and 120+ active blacklist feeds. Get notified the moment a risk surfaces, not after a campaign tanks.
- Live SPF/DKIM/DMARC validation per domain
- 120+ blacklist feeds checked every 6 hours
- Spam trap detection and alert system
- Historical domain reputation trending
Reputation Monitoring
See exactly where your emails land
Deliverability Analytics
Provider-level inbox placement data shows whether your emails reach the inbox, promotions tab, or spam — broken down by Gmail, Outlook, Yahoo, and more. Stop guessing, start optimising.
- Inbox vs spam vs promotions breakdown
- Open and click rates per sending domain
- Warmth score history per mailbox
- Campaign-level deliverability reports
Deliverability Analytics
Send sequences that adapt to your warm state
Smart Campaigns
Multi-step cold email sequences that automatically throttle based on each mailbox's current warm score. Personalisation fields, A/B subject lines, automatic follow-ups, and unsubscribe handling are built in.
- Multi-step automated sequences
- Dynamic throttling tied to warmth score
- Personalisation with CSV variable injection
- Automatic reply detection to pause follow-ups
Smart Campaigns
Connect any mailbox in minutes
Multi-Provider Support
Native integrations for Gmail (OAuth), Microsoft 365 (OAuth), and any custom SMTP provider including AWS SES, SendGrid, Postmark, and Mailgun. Manage your entire fleet from a single dashboard.
- Google Workspace & Gmail OAuth
- Microsoft 365 & Outlook OAuth
- AWS SES, SendGrid, Postmark, Mailgun
- Generic SMTP + IMAP for any provider
Multi-Provider Support
Your credentials, protected
Enterprise Security
AES-256-GCM encryption for every stored credential. OAuth tokens are never logged. All data in transit uses TLS 1.3. You can self-host on your own infrastructure for complete data sovereignty.
- AES-256-GCM encryption at rest
- OAuth 2.0 — passwords never stored
- TLS 1.3 encryption in transit
- Self-hosting option available
Enterprise Security
And much more
Start using all of this today
Free plan. No credit card. 2 mailboxes to try everything.
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