Deliverability
98.7%
trending_up
+1.2 pts
verifiedEnterprise 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.
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API-first-
Dedicated IPs-
Real-time analytics-
99.99% uptime SLA
Open Rate
42.1%
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+3.4%
Click Rate
9.4%
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+0.8%
7-day Engagement
Deliverability
Open
Click
99.99%Uptime
~120msLatency
Sample data
DKIM - SPF - DMARC
Verified
Sent in last hour
2,418,330
Trusted by teams shipping
billions of messages
billions of messages
99.99%Uptime SLA
~120msAvg Latency
90dLog Retention
10M+Daily Sends
infoAbout 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 keeping your sending health perfect at every stage.
99.99%
Uptime SLA
~120ms
Avg Latency
90d
Log Retention
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Security & Compliance, by default
TLS enforced end-to-end, GDPR-aligned data handling, and SOC-graded operational principles - built for regulated industries that cannot afford to compromise on trust.
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TLS 1.3
verified
GDPR
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SOC-aligned
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SPF - DKIM - DMARC
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Platform Features
Powerful infrastructure for developers and enterprises.
Everything you need to send, track, and optimize email at scale - with the reliability your business demands and the transparency your team deserves.
RESTful Email APIs & SMTP Relay
High-performance endpoints for sending, receiving, and tracking emails with millisecond latency.
Custom Sending Domains
Send from verified domains to improve brand trust, authentication, and inbox placement rates.
Tracking, Analytics & Webhooks
Real-time open, click, bounce, and delivery data - available via dashboard or webhook stream.
API Keys & Authentication
Multi-level key management, role permissions, and token rotation for secure integrations.
Email Analytics & Reporting
View engagement metrics, campaign insights, and per-domain deliverability scores at a glance.
Logs & Message Retention
Full message logs with timestamps, events, and replay capability for up to 90 days.
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 channel with scheduled reporting.
Mailing Lists Management
Handle subscribers, segment lists, and manage opt-ins and opt-outs seamlessly.
Email Validations
Verify addresses at scale to reduce bounces and protect your sending reputation.
Authentication Protocols
Native support for SPF, DKIM, DMARC, and BIMI - for authenticated, trusted delivery.
Dedicated IPs On Demand
Optional dedicated pools - full control over your sending reputation, when you need it.
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 - your team, extended.
Integrations & SDKs
Drop-in libraries for Node, Python, PHP, Go, and Ruby - plus first-class CRM connectors.
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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 globally redundant infrastructure across multiple regions.
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API-first architecture
Built for developers with clean, well-documented REST endpoints and idiomatic SDKs.
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Global mail routing
Redundant, geographically distributed relays for maximum uptime and the lowest possible latency.
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Reputation-first deliverability
Real-time monitoring and proactive alerts keep your sender score healthy and your messages in the inbox.
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Dedicated onboarding engineers
A named technical contact for migrations, setup, and ongoing optimization - never a queue.
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Security & compliance
TLS everywhere, GDPR alignment, and SOC-graded operational principles - without checkboxes.
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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, advanced analytics, and custom SLAs - no one-size-fits-all here.
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Usage-based billing
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Dedicated IPs available
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Custom SLA
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White-glove onboarding
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Volume discounts
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Compliance add-ons
Enterprise
Most popular
Custom
Designed around your sending volume, deliverability targets, and compliance posture. Pay for what you actually send.
- check_circleUsage-based billing
- check_circleDedicated IP pools
- check_circleCustom SLA & uptime guarantees
- check_circleWhite-glove onboarding
- check_circle24/7 deliverability engineers
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Customer Stories
What our customers say.
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Migration story
BTOTMail helped us migrate 10M monthly sends with zero downtime. The API and deliverability reports are unmatched.
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Neha Sharma
Product Manager - FlowSuite
0
Downtime
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Inbox win
We improved inbox rates by 63% after switching. The reputation monitoring dashboard gives complete transparency.
KD
Karan Desai
CTO - FinMark Tech
+63%
Inbox Rate
help
FAQ
Frequently asked questions.
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Is BTOTMail suitable for bulk marketing and transactional emails?
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Yes - our platform supports both, with dedicated infrastructure and routing logic that maintains deliverability across mixed sending profiles.
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Do you provide dedicated IPs?
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Yes, available on-demand for Business and Enterprise users - including warmed pools and reputation tooling out of the box.
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How secure is your system?
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We enforce TLS, offer API key rotation, and support all modern authentication protocols - SPF, DKIM, DMARC, and BIMI - alongside SOC-graded operational principles.
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Do you provide analytics and reporting?
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Absolutely. Our dashboard and APIs offer full engagement tracking, scheduled reports, and webhook streams for every event.
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Can I validate emails before sending?
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Yes - our built-in email validation API ensures clean lists, fewer bounces, and a healthier sender reputation.
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Is technical support available 24/7?
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Yes - via chat, email, and phone for all paid accounts, with named deliverability engineers for Enterprise customers.
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Can I use BTOTMail with my existing CRM or app?
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Definitely. Our RESTful API and SMTP relay integrate with any application - drop-in SDKs are available for Node, Python, PHP, Go, and Ruby.
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Talk to our team.
Let's design your ideal email delivery setup - API integration, compliance, and analytics included. We'll respond within 24 hours.
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Sales & Solutions
Custom quote & volume planning
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Developer relations
API integration & SDK guidance
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24/7 deliverability
Reputation, IP warm-up, escalations
rocket_launchReady when you are
Ship your first message in under an hour.
Spin up sending domains, drop in an SDK, and watch your delivery rates climb - with engineers on call whenever you need them.