Delivers emails in the inbox
For as less as 1$ / million
And instantly
DISRUPTIVE TECHNOLOGY
Forget about old-school store & forward systems with blind delivery delay, and take advantage of the Cloud scalability to get instantly genuine recipient's final delivery status code, live in your SMTP session, and know with confidence that your emails are delivered.
SYNCHRONOUS
The only SMTP relay that provides real-time, live results of message transmission directly in your SMTP relay session. No more need to call post sending, asynchronous API or parse logs to know when a message has been delivered or if it's a hard-bounce, or a blacklisting issue.
LIGHTWEIGHT
Provided as over-the-air microservices, RafaleMTA doesn't require any messaging queuing system, sgbd, storage or backup ressources. The only IT costs are cheapest cloud instances and output network data. On EC2 or on an OVH server, sending 1 million emails will cost less than 1$.
MULTICLOUD
Run our lightweight microservices on dedicated servers with private IP ranges or elastic cloud instances, and get instant access to thousands of IP addresses to send your emails immediately. Split your trafic among multiple routes and protect your reputation.

DELIVRABILITY, AUTOMATED
With a built-in knowledge base of 250 domain groups including millions of alias and thousands of fully qualified bounce messages, RafaleMTA handles automatically most of the common delivrability tasks, like IP warmup, rate limiting, load-balancing, and provides event-driven flow control mechanisms that protect sender reputation.
COMPLIANCE
RafaleMTA complies with all the standards at DNS, header and protocol level: SPF, DMARC, DKIM, ARC, STARTTLS, SMTP-TLS, MTA-STS, List-Unsubscribe... and processes Feedback Loop messages and DMARC reports.
LIFE CYCLE
RafaleMTA adjusts dynamically and automatically the sending rate by sender domain, sending IP, recipient domain and remote MX, according to specific domain group policies, reputation level and real time bounce messages.
MONITORING
RafaleMTA performs deep search and qualification on each new domain, to determine the hosting service (ex: Office365, GSuite, Gandi), but also the messaging system (ex: Postfix, Exim, Exchange), which allows automatic assignement to domain group.


MAIN FEATURES
RafaleMTA, designed as microservices that virtualize outbound IP addresses, can run as well as an On-Premise solution, on dedicated servers with private IP ranges, or in multi cloud environnement with dynamic IP allocations.
TRANSACTIONAL EMAILS
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SMTP relay with LIVE final ack
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Routing options by custom header fields and user profiles
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JSON/REST API, with header and body personnalization and tracking
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DKIM/ARC proxy when used with third party SMTP relay
METRICS & LOGS
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Real-tiime statistics by sending IP, sender domain, remote domain group and MX
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Full logs with exhaustive informations and timers
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Multiple output format (HTML, XML, JSON, CSV) and protocols
MAILING LISTS
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List expansion and personnalization with custom fields and scripting language
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Built-in tracking with openings, clicks, mirror pages and unsubscription process
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Campains logs and statistics by sending IP and remote domain group
DELIVRABILITY API
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Configurable domain group and alias
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Rate limits and IP/SENDER life cycle profile definition
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Bounce messages patterns and functions
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IP pools and rules (fallback, loadbalancing, overflowing)