[HH#778888] My vps is not sending emails is port 25 closed?

[HelioHost]

Username: google12, Server: Tommy, Main domain: google12.heliohost.org

hello my vps39 is not sending emails, i installed and configured
postfix but all emails are queued, is port 25 closed?

i did sudo ufw allow 25\tcp but all in vain

[Krydos]

I tested port 25 on your VPS and it is listening and responding.

root@control [~]# telnet 65.19.141.196 25
Trying 65.19.141.196...
Connected to 65.19.141.196.
Escape character is '^]'.
220 huaweistore.ga ESMTP Postfix (Ubuntu)
^]
telnet> quit
Connection closed.