Wez Furlong
70d9ec394a
There should be no functional change here; this commit refactors how we pre-declare CallbackSignatures with lua. The rationale is: * It is important to correct declare single vs. multiple implementation event handler types before any lua code is run; we've had a couple of issues in the past where some part of this pre-registration was messed up. * Adding a new signature requires declaring it in a global, and remembering to add its registration to the right place * Declaring signatures is a bit boilerplatey and makes it hard grok the purpose of the event handler arguments at a glance The declare_event! macro defined in this commit makes it a bit more readable to declare these event types and automatically wires up the registration to the correct spot, improving the ergonomics significantly. A downside of this additional layer of macro stuff that it requires increasing the rustc recursion limit.
KumoMTA
KumoMTA is an open-source Message Transfer Agent (MTA) designed for high-performance outbound email functionality, similar to commercial enterprise MTAs such as Momentum, PowerMTA, and Halon.
The KumoMTA project was founded by a group of email industry veterans with decades of experience building and managing high-performance On-Prem MTAs and is supported by a community of some of the largest senders in the world.
Because it is designed for high-performance sending environments, KumoMTA is for experienced email operations professionals who are accustomed to high-performance sending environments and familiar with DevOps practices.
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