User:David MacQuigg/Sandbox

User:David MacQuigg/Sandbox/test

User:David MacQuigg/Sandbox/Cipher Security
User:David MacQuigg/Sandbox/S-box (cryptography)
User:David MacQuigg/Sandbox/Hierarchical routing
User:David MacQuigg/Sandbox/Shortest path routing
User:David MacQuigg/Sandbox/Anycasting
User:David MacQuigg/Sandbox/Domain_Name_System

Computers

Languages

Python

Applications

Science

  Numpy

Networks

Email system

Email Articles

Email System - experimental edits
01 - original
03 - add machine level
04 - change levels to perspectives

Subtopics

Email Processes and Protocols - 01

Email agents

Email security

Email authentication

Email forwarding problem

Message Transfer 03 - split to "Email processes and protocols" and "SMTP session"

SMTP session

Extended SMTP - example of SMTP AUTH

Message Formats

Message Headers

Other related topics

Multipurpose Internet Mail Extensions (MIME)

Email History

Email Abuse

Email User Programs

Supporting protocols

SMTP POP IMAP

TCP PGP Kerberos RMX SPF SID DKIM CSV FCrDNS

Possible Additional Topics

Suggestions from readers and other authors. These may be already addressed in the related articles, but could use more elaboration in a separate article.

  Reply Codes
    550, 450 - greylisting
    Enhanced Status Codes - RFC-3463
  SMTP Options
    MAIL FROM
  Email Submission Operations - RFC-5068 - BCP-134
    RFC-3207 TLS
    RFC-4954 SMTP AUTH
  LMTP - RFC-2033
  Sieve - RFC-5228

Nuclear Power as a Sustainable Resource

The threat of climate change resulting from consumption of fossil fuels has led to a re-consideration of nuclear power as a source of carbon-free energy. The purpose of this article is to examine the issues that have held back widespread use of nuclear power. Those issues include safety, waste management, weapons proliferation, and cost.