Big Message Error

hi,

i got a simple question, is there a characters  limit in the pymsn 
tranport?
when i  send  messages  over 1399 characters, the messages is not 
delivered and i get
an error message (error 404) and sometimes the transport logs off. is 
this normal ?

ps: im using the latest pymsnt version

thanks and sorry about the inglish.

--
Thiago Ghilardi
Desenvolvimento
Bewireless - Comunika
www.bewireless.com.br
www.comunika.com.br
Fone: 51 30242721