yahoo mail app..cant find receiving file attachment...

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http://androidforums.com – i am using yahoo mail app. on my android phone...in most instant when an email with an attachment came in, i find the attachment and i can download it. for certain mails i received that i know suppose to come with an attachment, i cant find the attachment icon and i cant download it. there is no file. I am very certain this mail has got an attachment because i can find it when i open the mail using the conventional browser yahoo login on my laptop. is this strange? or did i missed out anything? (General)