From: "Geo." 

"Richard B."  wrote in message
news:1fvg405lqu440atjrofhhh6lf1rhca3535{at}4ax.com...

> Some dumb architects blocked all .zip attachments and asked for zoo.

We decided it was better to have the viruses get thru than to block zip
attachments. So I came up with a way to just block encrypted zip files,
turns out the 10th character in the attachment is a "Q" if it's
encrypted so I build a filter to look for that. 2 days later it's not
working anymore because the virus writers found a way around it and I
haven't had time to figure out what they are doing yet.

Geo.

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