Thanks for the answer, i've imported the extention you linked and tryed to make a post with the iframe inside and i got this kinde of exception:
Server Error in '/' Application.
A potentially dangerous Request.Path value was detected from the client (<).
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Web.HttpException: A potentially dangerous Request.Path value was detected from the client (<).
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[HttpException (0x80004005): A potentially dangerous Request.Path value was detected from the client (<).]
System.Web.HttpRequest.ValidateInputIfRequiredByConfig() +9673044
System.Web.PipelineStepManager.ValidateHelper(HttpContext context) +53
The syntax i've used in te post is:
[IFRAME]<iframe src="http://rcm-it.amazon.it/e/cm?lt1=_blank&bc1=000000&IS2=1&bg1=FFFFFF&fc1=000000&lc1=0000FF&t=wwwvincopoker-21&o=29&p=8&l=as4&m=amazon&f=ifr&ref=ss_til&asins=B001FZG18O" style="width:120px;height:240px;" scrolling="no" marginwidth="0" marginheight="0" frameborder="0"></iframe>[/IFRAME]