Sieve Implementations
This space is intended to be a single-stop listing of all announced available Sieve implementations, or pre-announcements of any work in progress as made by any individual, organization, or company.
Other implementations might be underway for commercial and/or proprietary products by a number of companies. Check the mailing list archives for details, questions, or hints based on the participants' comments.
This page has been split to three different parts:
Sieve Extension Support
A list of supported extensions by product is available at Fastmail.FM wiki's Sieve Extension Support Matrix.