James Johnson wrote:

I can't send mail using Zdebug and PTK latest versions. Here is the error. exceptions.TypeError Error value: len() of unsized object

Are you sure this isn't a result fo upgrading to Zope 2.2 recently? we found we had to delete oru existing mailhost objects and create new ones since the way they were implemented has changed in Zope 2.2... HTH, Chris ZDebug does have it's problems though, which makes a lot of the PTK break and some other stuff, but I'll try and post more on that later...