Spam by content filtering powerbuilder 11.1

I am getting the error message while sending the email from powerbuilder  11.1

content type Multipart /  mixed

boundry="

Spam by content filtering  powerbuilder 11.2. How I can make content without  going to spam . I am using the sample code  from powerbuilder  winsock for sending the email.

Pleae help

Regards

Pol