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343411c3d2602d2a5aa6574e7efb1c4bbaf87266
This will only trigger for messages where we've gotten to MAIL FROM or later, and where we got a non-250 response. The event is passed the response + the domain, tenant, campaign and routing domain. It can return an alternative response code value or `null` to indicate no change.
KumoMTA
This repository holds the source code to KumoMTA, a modern Message Transfer Agent designed for large scale sending environments.
You can learn more about why it exists here.
Documentation
You can learn more about KumoMTA from the Documentation
Community
Real-time discussion is available on Our Discord.
Our Forum is better for long-form questions and discussions.
Developers
If you're interesting in contributing/extending KumoMTA, take a look at DEVELOPERS.md.
Getting Help
Please see How to Report Bugs or Get Help
Description
The first Open-Source high-performance MTA developed from the ground-up for high-volume email sending environments.
37 MiB
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Rust
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