Your Mac's e-mail program (Mail) doesn't generally care what is being used as the IMAP server. So all that you have to do is set up IMAP in Apple Mail.
Setting up IMAP in Apple Mail
http://superfluousbanter.org/archives/2007/04/setting-up-imap-in-apple-mail/
Setting Apple Mail up to work with a Google IMAP account is somewhat different:
http://discussions.apple.com/thread.jspa?threadID=1747527
Where did you hear this? Please provide a link to wherever you read or heard that....I've heard imap is slower than pop3...
How in the World would anybody know? Nobody has a direct connection between their mail provider's server and their computer. There are any number of things that can slow a network. Someone may be running a mail server on an old TRS-80 Model 12. Long story short: There is absolutely no evidence that there is a measurable difference in the speed of IMAP compared to POP3.thanks. I've heard imap is slower than pop3, do you know the delay in receiving emails?
How in the World would anybody know? Nobody has a direct connection between their mail provider's server and their computer. There are any number of things that can slow a network. Someone may be running a mail server on an old TRS-80 Model 12. Long story short: There is absolutely no evidence that there is a measurable difference in the speed of IMAP compared to POP3.