Q2100090: How can I modify the linewrap after 76 characters in my outgoing e-mail messages?
The linewrap after 76 characters is defined in the RFC SMTP specifications. However, if you want to change the position of the line wrap, you need to create a new value in the registry called 'MaxLine'. The type of this value should be DWORD, and the data should hold the new maximum number of characters. The registry value should be created in the following registry hyve: