[Dovecot] IMAP vs. POP3

[Justin Krejci]

On Thu, 2011-04-28 at 19:54 +0200, Stéphane Guedon wrote:
> On Thursday 28 April 2011 19:31:49 Matt wrote:
> > Does IMAP create much additional system load vs. POP3?
> 

If you do use IMAP, server disk space capacity can become an important
number to watch as most POP3 clients by default will delete the mail
from the server once downloaded.

Additionally there are end user support "load" as well. Do you have a
lot of users with a variety of skill levels and mail clients? Supporting
a large variety of user configurations can cause support problems.
Example, a user is using IMAP then switches to POP3 (either by accident
or otherwise) and suddenly you will get a call about how someone hacked
into their mail account and deleted all of their mail.