Please can someone confirm if this is possible.

having gone to process all my details to open new email account in
outlook at the very end i then cant log on to network password ...due
to message saying'log on to incoming mail server
[pop3] outlook could not connect to incoming server [pop3] mail server
because the server did not accepy username or password...but being this
is new info being put in by myself cant see hoe this can be not
accepted???
after several emails to wanadoo they now say it is because of my
software...to be perfectly honest i did buy the software office
professional 2003 on ebay for just £19.99 do you think this is the
problem???