You need to find out what your POP3 (Post Office Protocol
ver. 3) server name is. (POP3 delivers your E-Mail to
you). Usually its something like pop3.<unique name>.com
or pop3.<unique name>.net, but it can vary.
Look in your E-Mail program for your account that is set
up. Tools>Accounts then select your account. Click on
properties, then click the server tab. It should list
your POP3 server name and your SMTP (Simple Mail Transfer
Protocol) server name. (When you write some E-Mail for
someone, SMTP sends it to its destination - usually a
POP3 server).
When you enter the information on the new computer, I'm
sure it will ask for your SMTP sever name as well, so you
might as well write that down too. Don't forget your user
name and password! Hope this helps.