If the domain has a good sending reputation new IPs may experience a faster ramp up time.
A new IP can expect to be fully ramped within a couple of weeks or sooner depending on volume, list accuracy and as long as their junk email complaint rates are kept at a minimum.
Avoid using scripting languages as they may be removed from your message.
Many email messages now contain HTML code similar to that found in a Web page. now analyzes and processes HTML content to remove HTML code that may be unsafe for your computer.
You can find the current list of our MTAs by querying "nslookup –q=mx hotmail.com" from a command prompt (this should work in a variety of Operating Systems).