# RFC 3974: SMTP Operational Experience in Mixed IPv4/v6 Environments

> request for comments publication

**Wikidata**: [Q47455433](https://www.wikidata.org/wiki/Q47455433)  
**Source**: https://4ort.xyz/entity/rfc-3974-smtp-operational-experience-in-mixed-ipv4-v6-environments


## References

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