I almost got caught out by a spam email!

Hi Kildavin

When people I know send me "humorous" attachments, I find it simplest to just ignore them. They are rarely funny, and could be damaging. I don't want to remember a set of rules about which are safe and which are not, so I just delete the emails.

Kildavin said:

I got an email with a .jpeg file - are these okay? Or are all attachments to be avoided if the sender is unknown?

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Definitely avoid if the sender is unknown. If the sender is known, it's a good idea to confirm with them if they sent you something unsolicited.

Image tags within html are a often used means of enabling malicious code to be executed on your machine.

I looked at this before and was told it would slow everything to a halt?

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Not my impression and I run it on a Laptop which is running multiple browsers and virtual machines.

http://www.marketwatch.com/story/sneaky-malware-lurks-on-your-computer-until-you-log-into-your-bank-2014-07-02?dist=afterbell