How do i change the server address for incoming and outgoing emails?

I know nothing about this stuff and I really need to email from a page. If you can please help.How do i change the server address for incoming and outgoing emails?
If you are using Outlook:

Tools, Account Settings, Change



If you are using Mozilla Thunderbird:

(Incoming): Tools, Account Settings, Server Settings

(Outgoing): Tools, Account Settings, Server Settings, Advanced



If you are using another email client, write back with more details!How do i change the server address for incoming and outgoing emails?
http://www.realifewebdesigns.com/web-res



try this link