# RFC 4405: SMTP Service Extension for Indicating the Responsible Submitter of an E-Mail Message

> request for comments publication

**Wikidata**: [Q47471305](https://www.wikidata.org/wiki/Q47471305)  
**Source**: https://4ort.xyz/entity/rfc-4405-smtp-service-extension-for-indicating-the-responsible-submitter-of-an-e-mail-message


## References

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