Week 4: Email infrastructure

Content

  • Mail agents
  • Mail infrastructure
  • Mail and DNS
  • SMTP, IMAP, POP3
  • Mailbox formats, spool directories
  • SPAM and open relays
  • Mailbox locking (NFS, flock, lockf, fcntl)
  • Sendmail en postfix

Practice

  • Setting up your own mail server with exim, postfix, qmail and/or sendmail
  • Examination of mail loops and backup
  • Investigation of the number and type of email MTA software (SMTP listeners) used on the Internet.

Book

  • Chapter 9: Electronic Mail (page 521-615)

References

Surveys by Thomas Pircher */

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