On Mon, 5 Feb 2001, Vidiot wrote:
> >I need to do the following with my e-mail server...
> >
> >a) Block all e-mails that have .exe, .vbx, .ocx extensions
>
> Why? None of those extensions affect Linux/Unix boxes. Also, not all
> e-mail that has those extension is bad. Deep-sixing said e-mail in general is
> a bad idea.
Well, I'd disagree, here...with the exception of .exe attachments, there
isn't much need to not deep-six anything with a Visual Basic attachment,
and in all honesty, most Linux systems are not yet used as desktop
systems. It is reasonable to assume that the users are running Windows
systems, probably with some variant of Outlook as the default mailer.
> Plus, you have to accept the e-mail before you can determine if it contains
> any such attachments. I do not know if you can tell sendmail to pass it
> through a filter before delivery.
It's called procmail...the global /etc/procmailrc is a great place for a
global filter.
> If I were a user on your system and you deep-sixed all e-mail containing
> said extension, you'd be getting some nasty e-amil from me. But, if it is
> for you and only you, then good luck in trying to do it.
If it's a corporate email system then the user really doesn't get to make
those decisions, does he/she?
In business situations, email is a tool, provided by the employer, to be
used as the employer decides is appropriate. As such, the employer also
gets to determine the type of email that enters/exits that mail system.
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