We use RAV with FreeBSD and Postfix. It works great. Does antivirus and spam filtering.
http://www.raeinternet.com ----- Original Message ----- From: "Julie Ranada" <[EMAIL PROTECTED]> To: "Juan Mejia" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Monday, January 13, 2003 1:38 PM Subject: Re: suggestions for blocking dangerous mail attachments? > > 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] > > >