How can I check if SMTP is working on my server?

Последна промяна: 15.10.2025 09:03

If email issues persist, please perform the following SMTP connectivity test from your device:

  1. Open Command Prompt (Windows) or Terminal (Mac/Linux)
  2. Type the following command and hit Enter:
  3. telnet mail.supremecluster.com 25

Copy and paste the result of this command here so we can further investigate the issue.

Looking forward to hearing from you.