Stopping MailScanner on a per user basis ...

GaryP garyp at COAM.NET
Wed Oct 2 21:11:37 IST 2002


You're good Julian,  how did you know my user's email address?

Thank you ...

> At 20:02 02/10/2002, you wrote:
> >We have made the policy.  Every piece of email coming and going through our
> >systems is scanned.  There's always one in the crowd that is not going to like
> >it.  I value your advise, however, in version 4.00.07a to please this one
> >hardheaded user, how?
>
> Set virus scanning to be a rules file in mailscanner.conf:
> Virus Scanning = /opt/MailScanner/etc/rules/virus.scanning.rules
>
> Then create the rules file itself, containing something like this
>
> To      nuisance at your.domain.com        no
> fromto  default yes
>
> So all mail; will be scanned, except messages to nuisance at your.domain.com.
> Note that mail *from* the nuisance user will still be scanned :-) If
> you don't want to scan mail from him either, then use "fromto"
> instead of "To".
>
> Note that when it is compiling rules files, MailScanner is really
> lax about what it allows and recognises, so you can use anything
> that contains "from" and/or "to". If you want to match both the
> recipients and the sender at the same time, anything with "and" in
> it will do. You can use this, for example, to only sign mail
> entering/leaving your site, so FromAndTo       your.domain.com no
> fromorto        default                 yes will always be "yes",
>  except when *all* the addresses in the message are within your.domain.com.
>
> The rules system I have created can do loads of things like this,
>  most of which haven't even occurred to me yet. :-)
>
> Jules.
>
> > > At 18:26 02/10/2002, you wrote:
> > > >Is there a way to have MailScanner skip users that have requested that
> > none of
> > > >their emails be checked for viruses or spam?
> > >
> > > The best to solve this problem is by making an institution policy
> > > that all email will be scanned. It's all very well, but how do you
> > > know that the people who are not having their mail scanned are not
> > > forwarding mail internally to other people? It's about the easiest
> > > way to let viruses in to your organisation!
> > >
> > > Once people are used to their mail being scanned, they tend to get more
> > > relaxed about the safety of mail coming to them. After all, every
> > > bit of mail entering the site has already been checked anyway,
> > > hasn't it?
> > >
> > > I had a couple of people who didn't want their mail scanned,
> > > including a member of senior management. I held my ground and
> > > refused. Within about 3 months both had thanked me for saving them
> > > from virus/spam attacks.
> > >
> > > I should write a faq on this...
> > >
> > > P.S. If you really must do this, it is easy in V4. But my advice is
> > DON'T!!!
> > > --
> > > Julian Field                Teaching Systems Manager
> > > jkf at ecs.soton.ac.uk         Dept. of Electronics & Computer Science
> > > Tel. 023 8059 2817          University of Southampton
> > >                              Southampton SO17 1BJ
> >
> >
> >--
> >Vegetarian Recipes! (http://www.vegipes.com)
>
> --
> Julian Field                Teaching Systems Manager
> jkf at ecs.soton.ac.uk         Dept. of Electronics & Computer Science
> Tel. 023 8059 2817          University of Southampton
>                              Southampton SO17 1BJ


--
Vegetarian Recipes! (http://www.vegipes.com)



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