office 365 smtp server: port 25 connection times out

Question

I've installed a new domain (louis14.tk) on the mailing system of office 365.

I've done the 5 steps in management->configuration

I've configured the DNS records on the site www.freenom.com (except the SRV records)

The MX record smtp server is: louis14-tk.mail.protection.outlook.com

When I test the smtp server with the command:

telnet louis14-tk.mail.protection.outlook.com 25

it times out

ping louis14-tk.mail.protection.outlook.com  succeeds

Why is port 25 not activ?

Also

telnet microsoft-com.mail.protection.outlook.com 25

does not work.

My firewall is disabled.

Answer 1

The cause is my ISP: he blocks port 25

Answer 2

Hello Hans, thank you for question. If you have a business version of Office 365, I recommend asking your question on the business Office 365 community.

Answer 3

time out is not exactly wat the telnet message says.

telnet says:

 a connection on port 25 cannot be made: it fails

(this is a translation from dutch)