Setting up Windows Mail

Open Windows Mail and select Tools. Click "Accounts...".

Click the "Add..." button.

Choose "E-Mail Account" and click "Next".

Enter your Display name and click "Next".

Enter your E-mail address and click "Next".

Select IMAP and enter imap.yourdomain.com in Incoming mail (IMAP) server, yourdomain.com being your domain hosted by One.com.

For Outgoing e-mail server (SMTP), enter send.one.com and check Outgoing server requires authentication.

Enter your e-mail address and password that you created in the controlpanel (Check Create new mail account).

You have completed the setup. Click "Finish".

Configuration of One.com's SMTP server in Windows Mail

Select your newly created account and click the "Properties" button.

Choose the tab Advanced and enter 2525 in "Outgoing mail (SMTP)".

Click "Ok".