# RFC 5229: Sieve Email Filtering: Variables Extension

> request for comments publication

**Wikidata**: [Q47327347](https://www.wikidata.org/wiki/Q47327347)  
**Source**: https://4ort.xyz/entity/rfc-5229-sieve-email-filtering-variables-extension


## References

1. RFC Index
2. DBLP Dataset 2021-01-02