# Clear the screen and stop all IE processes
# You'll get errors if IE is running!

cls
Get-Process iexplore | Stop-Process -Force
Start-Sleep -s 1

# Variables be here

$username = "username";  # Your username
$password = "password"; # Not the best way to input a password, but it works
$loginUrl = "https://mail.company.com"; # Here be your login page
$NewUser = "test" # Hopefully you've already captured this earlier in the script

# Second page you want to hit
$AddURL = "https://mail.company.com/admin/user/create";
# Add another string to hit a third page.
# $3rd-URL = "3rd-URL" or the like
# Have not tried this.

# Initialize browser
$ie = New-Object -com internetexplorer.application;
$ie.visible = $true;
$ie.navigate($loginUrl);

# If IE is still loading, wait until it's done.  We'll do this every time we call a page.
while ($ie.Busy -eq $true) { Start-Sleep -Seconds 1; }    #wait for browser idle

# Login, (Right-click -> Inspect Element on the button\field to get the quoted values)
# Use "IHTMLDocument3_getElementsByName" or you will get errors when you go to subsequent pages!

($ie.document.IHTMLDocument3_getElementsByName("username") |select -first 1).value = $username;
($ie.document.IHTMLDocument3_getElementsByName("password") |select -first 1).value = $password;
($ie.document.IHTMLDocument3_getElementsByName("Login") |select -first 1).click();
while ($ie.Busy -eq $true) { Start-Sleep -Seconds 1; }    #wait for browser idle

# Go to Create User page, input page 2 here, rinse and repeat to go deeper
$ie.navigate($AddURL);
while ($ie.Busy -eq $true) { Start-Sleep -Seconds 1; }    #wait for browser idle

# Right-click -> Inspect Element all the fields\checkboxes you want to fill and select the appropriate name
($ie.document.IHTMLDocument3_getElementsByName("user") |select -first 1).value = $NewUser;
($ie.document.IHTMLDocument3_getElementsByName("name") |select -first 1).value = "Test Test";
# Here's a tick-box. Keep it in order, down the page, top to bottom, less confusing
($ie.document.IHTMLDocument3_getElementsByName("email_service") |select -first 1).click();
($ie.document.IHTMLDocument3_getElementsByName("groupware_service") |select -first 1).click();
($ie.document.IHTMLDocument3_getElementsByName("password") |select -first 1).value = "$password";
($ie.document.IHTMLDocument3_getElementsByName("confirm") |select -first 1).value = "$password";
($ie.document.IHTMLDocument3_getElementsByName("Create User") |select -first 1).click();
while ($ie.Busy -eq $true) { Start-Sleep -Seconds 1; }    #wait for browser idle

# Stop IE again, we're done here
# Make it all invisible, forgot that part
Get-Process iexplore | Stop-Process -Force
Start-Sleep -s 1