I receive a lot of attachments with RFC-822 format. How do I open thes?

Most of these RFC-822 attachments are asking which program would like to use to open. Most are from Google

RFC 822 is an MIME type created in 1982 and no longer in general use. See this Wikipedia article: http://en.wikipedia.org/wiki/List_of_RFCs
The Nimda worm is known to use that format to propagate itself without user intervention by copying email addresses from the user's address book. If you're receiving attachments but don't know the sender, then it could be an indication that their PC is infected by this virus. Even if you know the sender, it would be wise to check with them in order to determine whether they intentionally sent you an attachment or not.
More on the Nimda worm here: http://www.f-secure.com/v-descs/nimda.shtml<br><br>
For your own peace of mind, run a full system scan with your antivirus program. If you haven't got one, you can get Avast AV free from here: http://www.avast.com/free-antivirus-download (''I use this one myself'').
Also, download the free version of Malwarebytes as an added precaution: http://www.malwarebytes.org/products/malwarebytes_free
If this answers your question, please click the '''Solved it''' button next to this post after you log in into the forum. This will help others searching for a solution to the same thing.
Thanks.

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