exchange 2019 email node issue

I am having an issue where its giving me Error:
Couldn’t connect with these settings – Connection timeout
Here are the values I entered:

  • Host: smtp.exchange.ionos.eu
  • Port: 465
  • SSL/TLS: Enabled
  • Email: my email
  • Password: [my account password]
  • Client Host Name : is empty
  • i checked with IONOS support team and they said everything from their end is good and n8n support is not answering