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Outlook 2007, Exchange 2007, S/MIME and Winmail.dat
Ok so this probs isn't the ideal forum for Outlook and Exchange queries, but I know theres many skilled technical people on here, so posting on the off chance.
Anyway I run Outlook 2007 at work and I recently migrated from Exchange 2003 to Exchange 2007.
I like to secure my email communication as much as possible and thus like to make use of the free Digital Signature obtainable from Comodo.
Now my problem is when I send an email signed with my digital signature, a winmail.dat file is attached to the message. I have a few recipients that have their mail servers configured to block *.dat file attachments.
Reading resources on the web it seems the winmail.dat file is attached to RTF encoded messages.
However the winmail.dat file is attached even when sending the message in plain text when also signing the message with my digital signature.
I know I can just decide not to sign the message to problem recipients, but I never had this issue with Exchange 2003 so don't see why I should have to use this workaround.
Wake up Microsoft, not everyone in the world is running Exchange server and Outlook clients!!!
Hopefully some email expert will come across this, if not thanks for looking.
James