Characters encordinf/decording in the Japanese environment has been fixed. Rated 5 out of 5 stars

Ver1.2で発生していた、日本語環境でのメールを表示した際の文字化けは、Ver1.3で解消されたようです。
私が使用するWindows7(x64)環境で、Ver1.3を導入して日本語メールのメッセージを正常に見ることが可能です。

Had occurred in Ver1.2, garbled when viewing an email in Japanese environment, seems to be fixed in Ver1.3.
I use Windows7 (x64) environment, you can view e-mail messages successfully introduced the Japanese to Ver1.3.
The above text has been converted to English by Google's translation function.

This review is for a previous version of the add-on (1.3.1). 

This is buggy version in Japanese. Rated 1 out of 5 stars

前のバージョンと全く異なり、日本語が文字化けして使いものになりません。
日本語環境のユーザは、使用すべきではないと思います。

This is bad enording/decording in Japanese !
Can't viewing in Japanese message.
Because Enigmail using "bad fixed" utf8 encoding/decording.
Japanase defact standard encording/decording is ISO-2022-JP.
and Shift-JIS(CP932) and other encording/decording.

This review is for a previous version of the add-on (1.2).