To switch Terminal Server between full screen and a window use CTRL + ALT + BREAK.
How to configure SQL Server 2005 to allow remote connections: http://support.microsoft.com/default.aspx?scid=kb;EN-US;914277
SPF is Sender Policy Framework. This is a tool to help fight spam by validating the from address of emails. When an email is received by an email server the sending domain can be checked for proper origination. Here is a sample rule in DNS:
v=spf1 ip4:220.127.116.11 mx ptr -all
Here is a tool to validate the rule as well as test it with the mail server:
How fast is your Internet connection? Here’s mine from my server’s co-location facility:
Run a speed test yourself and let me know your results.