At IU, why doesn't UITS support POP mail?
At Indiana University, UITS discontinued POP mail in order to efficiently allocate computing resources by standardizing with the more secure and robust IMAP protocol. There were several reasons for the move from POP to IMAP:
- POP works by copying or transferring your email to your local
hard drive, removing your mail from the server. If the connection
failed during the transfer, your mail could have been lost, and UITS
usually couldn't recover it since it was no longer on the
- Because POP moves your mail off the server, you had to manage your
POP email in multiple locations (e.g., the email client
on your office computer and your home computer may have kept different
copies of messages in your Inbox).
- If POP mail clients logged in too frequently when checking for new
mail, the performance of the mail servers for all UITS accounts was
- IMAP allows you to keep your mail in a central location on a mail
server. This makes mail and file management easy and requires only
one login to the server. Using IMAP, it is more likely that UITS will
be able to restore items from your account, if the need should
- IMAP is a more advanced protocol than POP, having features such as allowing access to public and private mail folders, searching mailboxes, and flagging messages as read.
If you need instructions for setting up your mail client to use IMAP,
you can search the Knowledge Base using the name of your mail client,
the name of your operating system, and the terms
Last modified on August 27, 2012.