# RFC 4021: Registration of Mail and MIME Header Fields

> request for comments publication

**Wikidata**: [Q47466017](https://www.wikidata.org/wiki/Q47466017)  
**Source**: https://4ort.xyz/entity/rfc-4021-registration-of-mail-and-mime-header-fields


## References

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