1.6a Configuring Email on Mobile Devices

Question 1

Please List the Most Common Email Configuration Protocols for Mobile Devices and Their Purposes (Sending mail, receiving mail, etc)

Answer 1

• Retrieving mail - POP3, IMAP
• Sending mail - SMTP
• Corporate email - Microsoft Exchange
• Integrated providers
  
  • iCloud, Google, Exchange Online, Yahoo

Question 2

Post Office Protocol 3 (POP3) (please list uses, configuration information, and network ports)

Answer 2

• Used for downloading mail to local mail client
• Downloads and (optionally) deletes from server
• Configuration information
  
  • Name of POP3 server
  • Username and password
• Network ports
  
  • Defined by your mail provider
  • POP3: tcp/110
  • SSL (Secure Socket Layer) settings - POP3S: tcp/995

Question 3

IMAP4 (please list uses, configuration information, and network ports)

Answer 3

Internet Message Access Protocol
• Access mail on a central server,
• Mail is usually stored on the server
• Supports folders and server-side searching

Configuration information
• Name of IMAP server
• Username and password

Network ports
• Defined by your mail provider
• IMAP: tcp/143
• SSL (Secure Socket Layer) settings - IMAPS: tcp/993

Question 4

Microsoft Exchange

Answer 4

Enterprise email
• Not a service for the home
More than just email
• Contacts, Calendars, Reminders
Integrates with mobile device database
• Integrated contacts, calendars, etc.
Configuration options
• Email, server, domain, username, password
Integrated message encryption with S/MIME
• Secure/Multipurpose Internet Mail Extensions
• Encrypt and digitally sign

Question 5

Commercial email providers

Answer 5

• Gmail
  
  • Google email, splits inbox into tabs, IMAP4, POP3
• Exchange Online (hosted email)
  
  • IMAP4 and POP3 support
• iCloud Mail - Apple Mail, IMAP4 support only
• Yahoo Mail - IMAP4 and POP3 support

Question 6

SMTP (please list uses, configuration information, and network ports)

Answer 6

Simple Mail Transfer Protocol
• Send mail from a device to a mail server
• Or between mail servers
• Authentication usually required
• May be different credentials than the incoming mail