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if you have a shared email account at for somthing like contact@example.com its quite useful for everyone at the company to be able to see all incoming email into that account..
when using imap if one person opens it, it will show up as opened in all users machines, i presume it does this by contacting the server and telling it the emails been opened (correct?)
this makes it quite difficult to keep track of incoming messages, as if one person opens it every else will see it but presume they have read it earlier so just ignore it.
is there a way of stopping outlook and mac mail telling all other machines using that use that email account that the emails been opened ?