Avanti! Mail Client is an email application which is designed to work with multiple mail accounts at the same time. Thus, users are able to connect an unlimited number of POP3 and SMTP email accounts with the utility in order to have them synchronized whenever users need this.

Avanti! Mail Client has a simple interface with a sidebar as its main navigation element. From there, users can choose an email account and a folder to view its contents. The number of unread emails in each folder is displayed in the right side of the name so that users can know which ones should be checked. There is the possibility to change the way in which the emails are updated. Users can opt for updates at different time intervals along with manual refreshes, but they can also choose to have the app update itself in real time.

Avanti! Mail Client seems to be a rather simple utility, but it has a powerful anti-spam filter built-in for users that want to keep spam away from their inbox. White and black lists can be further configured by those that want to expressly grant or deny rights to certain senders. The app also has a search engine which is able to find results from the multiple connected accounts at once.