Azure: Port 25 is blocked

You might find that when you are using SMTP or telnet to the target port 25 for smtp service fails, it’s expected because the port 25 might be blocked by Azure based on what kind of subscription you are using.

Check the article here:

You might also be able to refer to the article to submit a case to Microsoft support to enable the port. but be aware that for free Trial cannot be unblocked.


Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s