Apache Flink vs Postgrey
A side-by-side look at Apache Flink and Postgrey. For an in-depth review of either product, follow the links below.
Apache Flink
Development
Apache Flink is an open-source stream processing framework that performs stateful computations over unbounded and bounded data streams. It offers high throughput, low latency, accurate results, and fault tolerance.
opensourcestream-processingrealtimedistributedscalable
Postgrey
Network & Admin
Postgrey is an SMTP proxy program that temporarily delays mail delivery to help mitigate spam. It uses greylisting to reject initial email delivery attempts, forcing email servers to retry sending messages and confirming they are not spammers.
greylistingsmtpemail-deliveryantispam
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