RESTful Email APIs and SMTP Relay
High-performance endpoints for sending, receiving, and tracking emails with millisecond latency.
Email delivery built for performance.
BTOTMail is your enterprise-grade email infrastructure for reliable inbox delivery, API-first integration, and transparent analytics. Deliver transactional, marketing, and support messages at scale — securely and effortlessly.
API-first. Dedicated IPs. Real-time analytics. 99.99% uptime SLA.
Demo dashboard
Open rate • Click rate • Deliverability
Sample data
About BTOTMail
BTOTMail.com provides scalable, reliable, and secure enterprise email delivery solutions. We combine cutting-edge infrastructure, RESTful APIs, and deliverability-first routing to ensure your messages always reach the inbox.
Our platform serves startups, SaaS providers, and large enterprises looking for compliance, reputation management, and instant scalability. With dedicated IPs, reputation monitoring, and advanced analytics, BTOTMail helps you maintain perfect sending health and visibility at every stage.
Powerful email infrastructure for developers and enterprises
Custom Sending Domains
Send from verified domains to improve brand trust, authentication, and inbox rates.
Tracking, Analytics, and Webhooks
Real-time open, click, bounce, and delivery data available via dashboard or webhook.
API Keys & Authentication
Multi-level key management, role permissions, and token rotation for secure integrations.
Email Analytics and Reporting
View engagement metrics, campaign insights, and per-domain deliverability scores.
Log Support & Message Retention
Access full message logs with timestamps, events, and replay capabilities for up to 90 days.
Email Template Builder
Create, manage, and personalize templates using MJML or Handlebars within the dashboard.
Scheduled Reports & Insights
Automate analytics delivery to your inbox or Slack with scheduled reporting.
Mailing Lists Management
Handle subscribers, segment lists, and manage opt-ins/outs seamlessly.
Email Validations
Verify addresses at scale to reduce bounces and protect sending reputation.
Authentication Protocols
Support for SPF, DKIM, DMARC, and BIMI for authenticated, trusted delivery.
Dedicated IPs (On Demand)
Optional dedicated pools for full control over sending reputation.
Reputation Monitoring
Real-time scoring, alerts, and analytics for sender reputation and blacklist monitoring.
Chat & Phone Support
24/7 access to deliverability engineers and technical experts.
Why Choose BTOTMail
- Enterprise-grade reliability with 99.99% uptime SLA.
- API-first architecture for developers.
- Global mail routing and redundancy for maximum uptime.
- Reputation-first deliverability with real-time monitoring.
- Dedicated onboarding & support engineers.
- Security & compliance with TLS, GDPR, and SOC principles.
Deliverability at a glance
Transparent analytics and event tracking let you act fast on bounces, complaints, and engagement trends.
Uptime
99.99%
99.99%
Avg Latency
~120ms
~120ms
Retention
90d
90d
Custom solutions for every sending scale
BTOTMail offers flexible, usage-based pricing tailored to your volume, compliance, and integration needs. Get dedicated IP options, analytics features, and custom SLAs — no one-size-fits-all pricing here.
Our team will respond within 1 business day.
What our customers say
“BTOTMail helped us migrate 10M monthly sends with zero downtime. The API and deliverability reports are unmatched.”
“We improved inbox rates by 63% after switching. The reputation monitoring dashboard gives complete transparency.”
Frequently asked questions
- Is BTOTMail suitable for bulk marketing and transactional emails?
- Yes, our platform supports both — with dedicated infrastructure to maintain deliverability.
- Do you provide dedicated IPs?
- Yes, available on-demand for Business and Enterprise users.
- How secure is your system?
- We enforce TLS, offer API key rotation, and support all modern authentication protocols.
- Do you provide analytics and reporting?
- Absolutely. Our dashboard and APIs offer full engagement tracking and report scheduling.
- Can I validate emails before sending?
- Yes — built-in email validation API ensures clean lists and fewer bounces.
- Is technical support available 24/7?
- Yes — via chat, email, and phone for all paid accounts.
- Can I use BTOTMail with my existing CRM or app?
- Definitely. Our RESTful API and SMTP relay integrate with any application.
Talk to our team
Let’s design your ideal email delivery setup — API integration, compliance, and analytics included. Fill the form below and we’ll respond within 24 hours.