San Jose IBM PC Club E-mail Services

SJPC E-Mail Services
How is SJPC's E-Mail Service Different?
E-Mail Protocols - POP and IMAP

SJPC E-mail Services

How is SJPC's E-Mail Service Different? 

E-Mail Protocols - POP and IMAP

There are two main client-server protocols for graphical e-mail:  POP (Post Office Protocol)  and IMAP (Internet Message Access Protocol).  POP has been around longer so more ISP's support it, but IMAP has many advantages.  The club's mail server supports both, but when you configure the e-mail software on your computer you must choose one.
    The POP mail protocol downloads all your mail to your PC whenever you connect to a POP mail server.  This can take a long time if you have attachments or a lot of messages in your inbox.  POP is good if you want all your mail on your PC.  But beware of synchronization problems if you check mail from multiple computers.

    The IMAP mail protocol overcomes most of the limitations of POP mail.  IMAP mail is stored on the server, which saves space on your PC.  IMAP is faster because it initially downloads only message subject lines rather than whole messages.

    With IMAP you can access your mail at sjpc.org from different computers and use both graphical and text mail tools without synchronization problems.  IMAP is more secure.


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