The family business I work for is in need of some sort of email server. We currently forward all business emails from our website to a yahoo account. The reason being is because our website is limited on the amount of emails/storage that they provide us. Yahoo gives us more space and amount of emails. We are currently going through roughly 100 emails per day with most having attachments. We are always having to delete emails to make more room. I do have an FTP and print server that we run that I can slip something like a 4TB drive into and just run email off of. We have 4 computers that all check email. So I was wondering the best way to maybe set up an imap server on the main server computer then check email with the other 4 computers through clients such as thunderbird. I am not familiar with this set up and am wondering if it is the best way to accomplish what I am trying to do. All computers including the main server are running Windows 7 64-bit. Any help would be appreciated. My apologies if this is not the correct section to post this in. Thank you.