It has a flexible template system and powerful labels and filters for replying to emails.
It has a content concentrator that well-groomed quoted text.
Eudora 6.0.1 added additional supports for spam called the Spamwatch feature.
Its another version 6.2 additionally added the feature of scam watch that flags suspicious links within emails in an attempt to prevent phishing.
The scam watch alerts the users about malicious links in phishing emails. It can handle multiple protocols, like POP and IMAP accounts.
The main important feature of Ultra-fast search is added in Eudora 7.0. In which it will find any emails by using single or multiple searching criteria in seconds.
Another important feature it has BossWatch that helps the user to avoid sending emails to Bosses or Client accidentally.
It allows to save search criteria and offers quick search options
Eudora supports Windows 98/ ME/ 2000/ 3/ XP/ Vista and MAC OS