Brilliant. Thanks Sergey

>For PDF attachment it should be 'Content-Type: application/pdf'
>
>>This is what appears in the message header
>>
>>MIME-Version: 1.0
>>Content Type: multipart/mixed;
>> boundary=".."
>>X-Mailer: Microsoft Office Outlook 12.0
>>...
>>...
>>
>>This is a multi-part message in MIME format.
>>
>>-----=NextPart_00_0001_01CB.........
>>Content-Type: text/plain;
>>charset="iso-8859-1"
>>Content-Transfer-Encoding: 7bit
>>
>>>Did you check the source of the message to see what MIME type is?
>>>Did you try other mail clients?
>>>
>>>>Yes it does. Any typed text first, then the funny gibberish looking text.
>>>>
>>>>>Does message have body?
>>>>>
>>>>>>Hi Sergey, it is Outlook 2007 as well.
>>>>>>
>>>>>>>What's recipient's mail client?