Hi jacquesfilsdejean,

 Visit http://www.hotmail.com to check if you are able to send emails through hotmail website. Then Remove and Re-configure your account on outlook Express

How to remove account in Outlook Express

1.  Start Outlook Express. 

2.  On the Tools menu, click Accounts. 

3.  Select the existing MSN e-mail account, and then click Remove. 

4.  Click Yes to confirm that you want to remove the account, and then click Close. 

How to configure a POP3 account in Outlook express

1.  Start Outlook Express. 

2.  On the Tools menu, click Accounts, and then click the Mail tab. 

3.  Click Add, and then click Mail. 

4.  Type your display name, and then click Next. 

5.  In the E-mail Address box, type your complete e-mail address. The following is an example of a complete e-mail address: your_name@msn.com 

6.  Select the POP3 server option. Use the following server information:

In the Incoming Mail Server (POP3) box, type pop3.live.com.

In the Outgoing Mail Server (SMTP) box, type smtp.live.com. 

7.  Click Next. 

8.  In the User Name box, type your complete e-mail address. The following is an example of a complete e-mail address: your_name@msn.com 

9.  In the Password box, type your account password. 

10.  Click Next, and then click Finish. 

11.  In the Internet Accounts window, select the account that you just created, and then click Properties. 

12.  On the Servers tab, select the My server requires authentication check box. 

13.  Click the Advanced tab. Under Server Port numbers, select This server requires an encrypted connection (SSL) under Incoming and Outgoing mail. Make sure that the Incoming mail port is set to 995 and Outgoing mail port is set to 25. Click Ok. 

14.  Click Close. 

Then try sending a test email to check for resolution and reply back for further assistance.

Thanks!