Oceantiger Mail is a free email client with features for blocking unwanted emails, by first download a list of emails and then select which ones to download and which to reject. It has features for splitting the download of emails into two different mailboxes at the same time, where you can have unchecked items go to one mailbox and checked items to a different one.
The following language files are for the dictionary function of Oceantiger's Editor and Oceantiger Mail:
czech, danish, dutch, italian, japanese, latin, norwegian, polish, russian and turkish.
To install the dictionary, first extract the file, then locate the directory where you have the program installed and place the extracted file in the dictionaries sub folders.