Any access to the logfiles on the receiving end? You could try setting up an account with an email on a server whose logiles you can access and see if the host server is actually sending mail
No errors–just the white screen?
You may need to completely clear out the database and re-do the install
“‘.__(‘Already Installed’).’
‘.__(‘You appear to have already installed WordPress. To reinstall please clear your old database tables first.’).'”
seems to indicate this.
Can’t say enough about Linux (and curse MS).