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Copyright ©2014 Mohsen BANAN

Permission is granted to make and distribute complete (not partial)
verbatim copies of this document provided that the copyright notice
and this permission notice are preserved on all copies.

Contents

• Part I  Mail System Reliability And Scalability
  • 1  Reliability Considerations (No Noticable Impact)
  • 2  Reliability Considerations (Minor Noticable Impact)
    • 2.1  Mx Records Redundancy
• Part II  Scalability, Distribution And Recovery
  • 3  By* ’s Model Of Distribution Of Domains
• Part III  Class Activities
  • 4  Accessing Your Accounts On ByStar Mail Server
    • 4.1  Your Domains, Your Account+Passwd
    • 4.2  ByStar Mail Server Basic Tests
  • 5  Bash Scripting – MailBot and MailInjector Exercises
    • 5.1  mailInjector.sh Evolution
    • 5.2  mailBot.sh Evolution
    • 5.3  Offlineimap + notmuch
• Part IV  Assignments
  • 6  Review Of Last Week’s Assignments
  • 7  Next Set Of Assignments

[plain] Part 2: Scalability, Distribution And Recovery

Contents

• Part I  Mail System Reliability And Scalability
  • 1  Reliability Considerations (No Noticable Impact)
  • 2  Reliability Considerations (Minor Noticable Impact)
    • 2.1  Mx Records Redundancy
• Part II  Scalability, Distribution And Recovery
  • 3  By* ’s Model Of Distribution Of Domains
• Part III  Class Activities
  • 4  Accessing Your Accounts On ByStar Mail Server
    • 4.1  Your Domains, Your Account+Passwd
    • 4.2  ByStar Mail Server Basic Tests
  • 5  Bash Scripting – MailBot and MailInjector Exercises
    • 5.1  mailInjector.sh Evolution
    • 5.2  mailBot.sh Evolution
    • 5.3  Offlineimap + notmuch
• Part IV  Assignments
  • 6  Review Of Last Week’s Assignments
  • 7  Next Set Of Assignments

[part=2]

3  By* ’s Model Of Distribution Of Domains

[plain]By* ’s Model Of Distribution Of Domains

Segmenting the roots of your mail domain lets you fundamentally divide the user base.

[plain] Part 4: Assignments

Contents

• Part I  Mail System Reliability And Scalability
  • 1  Reliability Considerations (No Noticable Impact)
  • 2  Reliability Considerations (Minor Noticable Impact)
    • 2.1  Mx Records Redundancy
• Part II  Scalability, Distribution And Recovery
  • 3  By* ’s Model Of Distribution Of Domains
• Part III  Class Activities
  • 4  Accessing Your Accounts On ByStar Mail Server
    • 4.1  Your Domains, Your Account+Passwd
    • 4.2  ByStar Mail Server Basic Tests
  • 5  Bash Scripting – MailBot and MailInjector Exercises
    • 5.1  mailInjector.sh Evolution
    • 5.2  mailBot.sh Evolution
    • 5.3  Offlineimap + notmuch
• Part IV  Assignments
  • 6  Review Of Last Week’s Assignments
  • 7  Next Set Of Assignments

[part=4]

6  Review Of Last Week’s Assignments

[plain]Review Of Last Set Of Assignments

• Work On Your Own Full Mail Processing Loop:
  • Use mailInjector.sh to send out a pdf attchamnet to your ByStar account.
  • Use offlineimap to automatically retrieve that message.
  • Use mailBot.sh to disect the pdf message into its original pdf file.
  • Print out a command that would have printed that pdf file.
  • Make it such that all of the above can be automated repeatedly.

7  Next Set Of Assignments

[plain]Next Set Of Assignments – Final Exam (Due 3/21)

Write a high level description of steps involved in:

• Transitioning From One Mail System To Another
  • Assume User Base of 500. 1000 Mailboxes.
  • 6 hour Window to implement the transition.
  • Old and New DNS is under your control. What will you do to old and new.
• Transitioning From On-Site Mail System To A Cloud Base Service

For each step specify details.

References