I've been working on a problem discovered after installing 7.0.2 on a Windows 2003 server. I posted in the "General Assistance" forum:
Initial Post

I can email from the server to qmail servers, and UBB.Classic is also successful, the threads version produces emails that are rejected by qmail servers due to raw linefeeds. I've tried finding any instances of '\n' in the language files and also in other files replacing each instance with '\r\n', still no luck.