Flute relays and verifies every single outbound email, listens for delivery problems, and automatically takes action by safely rerouting individual emails through a backup provider, whenever possible (without creating duplicates).
We detect certain types of spam bounces, all kinds of API errors, provider downtime, and other sporadic delivery issues.Read More
We are the first (and only) delivery platform to offer full-text elastic-searchable logs. We understand the importance of being able to follow-up on your customers, and maintain independent paper trails for auditing and compliance.
Test and try different providers to compare performance and deliverability, without involving developers.
Flute makes it easy to segment different types of email through securely isolated environments, with different failover configurations.
Your marketing email reputation, and potential spam complaints, should not affect your critical emails.
Alternatively, just drop in our SMTP credentials, and support legacy applications immediately.
View our developer documentation for more info.
We aggregate and simplify the vast myriad of complicated events (bounces, errors, opens, etc.) from multiple providers into one simple data point: SUCCESS or FAIL.
More providers coming soon!
Let us know if you’d like us to support your provider not listed here.
Our team enjoys working on email delivery, to the point that it has become an obsession. As a focused, nimble team, we are constantly iterating on our platform, bringing modern features to your delivery API, while monitoring and improving our core reliability and deliverability functions, especially Smart Failover.
Designed to handle the world’s mission-critical email, Flute uses state-of-the art AWS-deployed infrastructure trusted by the world's largest brands. We are bound to our promise to be the most reliable solution for your email, and eventually we plan to build globally redundant availability zones for unparalleled performance and uptime.