1 SMTP-based electronic mail
1.1 Internet's postal mail: MIME, SMTP and POP3/IMAP
# Examples for SMTP dialogues and delivered mails
1.2 The big picture of email [mmh]: MUA, MSA, MTA, MDA, MRA
# "Store and forward" architecture [spf-jdebp]
1.3 Old and new issues: security, anti-spam, encryption, scalability
# MTA comparison by JdeBP [mts-jdebp]
1.4 Why discuss qmail and mail systems now?
# Immaturity of the infrastructure for computing
# Engineering methodology [ska]
2 Working qmail
2.1 The qmail big-picture [nrg4u]
# Exploiting the OS's existing mechanisms
2.2 Traditional anti-spam techniques
# DNSBL, greylisting, Bayesian?
2.3 Some interesting applications
# ofmipd, pop-before-smtp, qconfirm, ezmlm(-idx)
3 Modernising qmail
3.1 Authentication and encryption?
# Implementing STARTTLS with chainloading?
# TLS SMTP (cf. QMTP) / STARTTLS pinning?
3.2 Preventing backscatters: patching, SPF/DKIM/DMARC? [spf-jdebp]
3.3 Performance and scalability: QMTP, QMQP, ...
4 Discussion
4.1 Development status of qmail, and its declining adoption
# Recommended changes: base [netqmail], new-inject [ni-qi]
# Silly qmail syndrome: ext-todo and big-todo
# Also necessary: authentication and encryption
# s/qmail, IndiMail, eQmail
4.2 Internet Mail 2000 [im2k-jdebp]
# The sender is the post office
# Demographic / political issues
# Leak of receipt time? Automatic forwarding?
---
[im2k-jdebp]
[im2k-psg]
[mmh]
[mts-jdebp]
[netqmail]
[ni-qi]
[nrg4u]
[ska]
[spf-jdebp]