Skip to page contentSkip to chat
ServiceNow support
    • Community
      Ask questions, give advice, and connect with fellow ServiceNow professionals.
      Developer
      Build, test, and deploy applications
      Documentation
      Find detailed information about ServiceNow products, apps, features, and releases.
      Impact
      Accelerate ROI and amplify your expertise.
      Learning
      Build skills with instructor-led and online training.
      Partner
      Grow your business with promotions, news, and marketing tools
      ServiceNow
      Learn about ServiceNow products & solutions.
      Store
      Download certified apps and integrations that complement ServiceNow.
      Support
      Manage your instances, access self-help, and get technical support.
How to confirm ServiceNow email server is using Opportunistic TLS - Support and Troubleshooting
  • >
  • Knowledge Base
  • >
  • Support and Troubleshooting (Knowledge Base)
  • >
  • How to confirm ServiceNow email server is using Opportunistic TLS
KB0743094

How to confirm ServiceNow email server is using Opportunistic TLS


1984 Views Last updated : Aug 3, 2025 public Copy Permalink
KB Summary by Now Assist

Issue

How to confirm ServiceNow email servers are using Opportunistic TLS

Release

All versions

Resolution

From external network we can confirm that ServiceNow email servers are accepting TLS connection by sending ehlo message to one of our inbound MX records.

   

 

Alternately, go to public websites as below and enter the domain i.e. service-now.com to check the same:
https://luxsci.com/smtp-tls-checker (This is a third-party page, not sponsored or supported by ServiceNow.)

The world works with ServiceNow.

Sign in for more! There's more content available only to authenticated users Sign in for more!
Did this KB article help you?
Did this KB article help you?

How would you rate your Now Support digital experience?

*

Very unsatisfied

Unsatisfied

Neutral

Satisfied

Very satisfied

Very unsatisfied

Unsatisfied

Neutral

Satisfied

Very satisfied

What can we improve? Please select all that apply.

What are we doing well? Please select all that apply.

Tell us more

*

Do you expect a response from this feedback?

  • Terms and conditions
  • Privacy statement
  • GDPR
  • Cookie policy
  • © 2025 ServiceNow. All rights reserved.