This is variable depending on the type of list
The max is 2M but that's not because of the length of the mails but is only because of the size of the attachments some lists have to send (campaigning artwork etc)

It has no effect on the bottom banner

Susanne
  ----- Original Message ----- 
  From: Pete Weiss 
  To: [log in to unmask] 
  Sent: Friday, November 19, 2004 6:23 PM
  Subject: Re: Bottom Banners


  At 11:56 11/19/2004 Friday, S Lamido wrote:>I have just checked one
  message that has 20 replies and the last message
   >should the bottom banner included 20 times. The message is only a few
   >words so it looks ridiculous on the web


  What is your SIZELIM set to?

  /Pete