Email displays nothing when sent from OWA

So a really strange one here!

I have a user that uses OWA 2010 100% of the time and since upgrading to 2010 from 2003, she has been receiving complaints from some recipients receiving the email but with no content. (no text, nothing). I tested what she was doing on the admin account of OWA and sent myself (external account) an email. When I received it in outlook 2013, it displayed fine. However, when i view it on my iPhone, it gets a message snippet which it displays in the list of emails but upon opening the email, nothing is displayed. I have reviewed the email source and nothing looks different.

Does anyone have any ideas here? Really got me stumped this one! :)

Rhys HudsonNetwork Operations ManagerAsked:
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David Johnson, CD, MVPOwnerCommented:
send as plain text and text, also check your signatures

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Steven WellsSystems AdministratorCommented:

I would also check your MIME settings.

There may be some issues with the type of encoding used by OWA and other mail clients.
Rhys HudsonNetwork Operations ManagerAuthor Commented:
Changed to plain text and it worked. Thank you.
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