Re: [Evolution] Server based filtering

[Patrick Berry <pberry freestyleinteractive com>]

on 5/28/00 8:47 AM, Aaron Kemp at kempa kwic com wrote:

> I don't know if anyone has thouht of this alreadhy but i think it's important
> to have server based email filtering.  Simple things like address based
> filters are common in groupware solutions, so I expect that everyone has
> thought of that already.  The thing I'm not sure about is content filtering...
> The sort of thing I'd like to see are:

There is no evolution server.  It is a client program.  All it does it talk
to ldap server and mail servers (for now, but I can't speak for the future).
 
> rip out all HTML tags (or a subset of them, like <SCRIPT> or <IMG>) message
> size limits both ingoing and outgoing (ie can send 32k messages out but only
> receieve 10k messages) attachement filters (remove certain file types, ie you
> can't send an EXE or VBS or JS etc etc) group and account based message
> blocking (ie, no outside source can send to all company com)

For blocking based on attachments, there are already a number of tools to
work with existing MTAs.  I use a perl based tool to block all the windows
files that can contain VB Script that can be autoexecuted.  It works with
qmail and can be found here: http://www.geocities.com/jhaar/scan4virus/

Pat