Disallow .zip, .exe and .doc files at somepoint in the email system and you will be protected from passing on most virus.  The server your list software is on should have a virus checker on it. As should the email server the list messages are sent to.

-----Original Message-----
From: LISTSERV site administrators' forum [mailto:[log in to unmask]] On Behalf Of Ron Beatteay
Sent: Saturday, August 14, 2010 4:25 PM
To: [log in to unmask]
Subject: Re: Virus Question


  Ok, I'll set mine to 500 also..  I don't
 know anything about viruses and how they
 operate.  Thanks for the advise.

  Ron



--- On Sat, 8/14/10, Pete Weiss <[log in to unmask]> wrote:

> From: Pete Weiss <[log in to unmask]>
> Subject: Re: Virus Question
> To: [log in to unmask]
> Date: Saturday, August 14, 2010, 4:19 PM
>  On several of my lists (including
> those that allow HTML), 500 seems OK 99% of the time. 
> Sometimes I have to tell folks NOT to send their HTML in
> MULTIPART/ALTERNATIVE since both plain and HTML text are
> counted (though MUA may only display one of them).
> 
> /P
> 
> On 8/14/2010 6:52 PM, Ron Beatteay wrote:
> > What line limit would you recommend?
>