RESTful Email APIs and SMTP Relay
High-performance endpoints for sending, receiving, and tracking emails with millisecond latency.
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Enterprise Email Infrastructure
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.
98.7%
Deliverability
42.1%
Open Rate
9.4%
Click Rate
Open rate · Click rate · Deliverability
99.99% Uptime
~120ms Latency
Sample data
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About BTOTMail
Scalable, reliable &
secure email delivery
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.
99.99%
Uptime SLA
~120ms
Avg Latency
90d
Log Retention
Security & Compliance
TLS enforced, GDPR compliant, SOC-aligned principles — built for regulated industries.
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Platform Features
Powerful email infrastructure for
developers and enterprises
Everything you need to send, track, and optimize email at scale — with the reliability your business demands.
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.
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Why Choose Us
Built different.
Proven by results.
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Enterprise-grade reliability 99.99% uptime SLA backed by global redundant infrastructure.
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API-first architecture Built for developers with clean, well-documented REST endpoints and SDKs.
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Global mail routing Redundant, geographically distributed relays for maximum uptime.
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Reputation-first deliverability Real-time monitoring and proactive alerts keep your sender score healthy.
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Dedicated onboarding & support engineers Your own technical contact for migrations, setup, and optimization.
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Security & compliance TLS everywhere, GDPR alignment, and SOC-graded operational principles.
speedDeliverability at a glance
Transparent analytics and event tracking let you act fast on bounces, complaints, and engagement trends.
Uptime
99.99%
Avg Latency
~120ms
Retention
90d
Inbox placement
98.7%
Avg open rate
42.1%
Click-through rate
9.4%
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Pricing
tuneCustom Solutions
Tailored 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.
check_circleUsage-based billing
check_circleDedicated IPs available
check_circleCustom SLA
check_circleWhite-glove onboarding
check_circleVolume discounts
check_circleCompliance add-ons
request_quoteRequest a Custom Quote
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Customer Stories
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.
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FAQ
Frequently asked questions
mailIs BTOTMail suitable for bulk marketing and transactional emails?
Yes, our platform supports both — with dedicated infrastructure to maintain deliverability.
dnsDo you provide dedicated IPs?
Yes, available on-demand for Business and Enterprise users.
lockHow secure is your system?
We enforce TLS, offer API key rotation, and support all modern authentication protocols.
bar_chartDo you provide analytics and reporting?
Absolutely. Our dashboard and APIs offer full engagement tracking and report scheduling.
fact_checkCan I validate emails before sending?
Yes — built-in email validation API ensures clean lists and fewer bounces.
support_agentIs technical support available 24/7?
Yes — via chat, email, and phone for all paid accounts.
integration_instructionsCan I use BTOTMail with my existing CRM or app?
Definitely. Our RESTful API and SMTP relay integrate with any application.
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Contact
Talk to our team
Let's design your ideal email delivery setup — API integration, compliance, and analytics included. We'll respond within 24 hours.