We've been doing this for a while now and it has saved us a lot of grief. Look up renattach on Google. It's an add-on to postfix/sendmail/etc. and runs on most unices.
On Sat, 11 Jan 2003, Juan Mejia wrote: > Hello guys, > Tired of users who refuse to think twice before running an > attachment, I thought that it would help if the mail was > downloaded from the institutional server to a box that would > process it and change dangerous file extensions in the > attachments to something like "Don't run/rename if not sure" > (maybe "format.com.DRIS"). Yes, people still can run the files, > but first they would have to save and rename them. This makes it > harder to execute a file, avoiding the fast, thoughtless > reaction of double clicking anything they see on the screen. > > Ok, googling the web I found that ashampoo mail virus blocker > does this (do I need to say I expected this to be an original > idea), the problem is that I would prefer a single machine > processing the 20+ mail accounts. Although I don't know how, I'm > pretty sure this can be done on my learning-toy-experiment-spare > Linux box. > > Here are my questions: > > What's your opinion about changing file extensions on windows > machines to reduce the threat of malware through e-mail? > > Do you know of some application that does this on linux? > > If there's nothing like this on linux, what should I start > reading, searching, etc. in order to make it on my own? (I > have no idea about e-mail on Linux. Also I realize I > probably will never get to do it, but having a project in > mind is the best way to learn about something new). > > Thanks in advance, > > Juan mailto:[EMAIL PROTECTED] >