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?