Eudora
Eudora OSE is the e-mail client from Qualcomm. The first versions had to be paid or they had a banner, but Eudora’s battle with Microsoft Outlook was lost. Today the program and based on Thunderbird and free. It certainly has advantages, above others. You can retrieve emailheaders and decide if you want te retrieve or delete the messages. Eudora has a loyal usergroup and you could try it as an alternative mailprogram is you don’t want Outlook. There is also a version for the Apple Mac. Developers are working on version 8 also likely for Linux available. In addition to all the standard email features, Eudora OSE includes Bayesian spam filtering, message tagging, mailbox filtering, email redirection, context sensitive reference lookup, indexed email searching, and more.