# RFC 3885: SMTP Service Extension for Message Tracking

> request for comments publication

**Wikidata**: [Q47470845](https://www.wikidata.org/wiki/Q47470845)  
**Source**: https://4ort.xyz/entity/rfc-3885-smtp-service-extension-for-message-tracking


## References

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