STDs are stable identifiers for "Internet Standards." An STD may consist of a single RFC or a group of RFCs related to a specific protocol. The collection may become empty as the STD evolves.
RFC 6152: STD 71: SMTP Service Extension for 8-bit MIME Transport
Internet Standard
- J. Klensin
- N. Freed
- M. Rose
- D. Crocker, Ed.
- March 2011
- IETF publication
- Applications Area
Abstract
This memo defines an extension to the SMTP service whereby an SMTP content body consisting of text containing octets outside of the US-ASCII octet range (hex 00-7F) may be relayed using SMTP. [STANDARDS-TRACK]