Это не у меня проблемы с кодировкой, а у того человека, который WordPress им настраивал. У меня Outlook 2010, и это единственно кривое письмо, полученное мной в этом году.

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Date: Fri, 10 Sep 2010 22:26:48 +0400 (MSD)

В Алор звонить не буду. Дороговасто.

Офис не кривой. Gmail Говорит то же самое: