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How to Disable Post via Email Confirmation in Yammer (Viva Engage)

Emma Brown Oct 10, 2026 870 views

Question details

The user wants to know if administrators can disable the 'Post via Email' option or its confirmation prompt for all users in a Yammer (Viva Engage) community.

How to Disable Post via Email Confirmation in Yammer (Viva Engage)

Product: Yammer (Viva Engage)
Device & OS: not provided
Scenario: Managing user posting permissions and email integrations within a specific community.
Observed behavior: Administrators are searching for a built-in setting to turn off the 'Post via Email' feature or bypass the confirmation prompt for community members, but cannot find one.

Before you start

Ensure you have administrator privileges in your Yammer (Viva Engage) community to access settings and manage overall user posting permissions.

Solution 1Recommended

Understand Yammer's Post via Email Limitations

Currently, Microsoft does not provide a tenant-wide or community-level toggle to disable the Post via Email feature or its confirmation prompt.

Yammer (now Viva Engage) allows users to post to communities by sending an email to a specific group address. However, administrators frequently ask if this can be turned off to prevent spam or force users to the web interface.

As of the current design, there is no built-in setting to disable the 'Post via Email' option or the confirmation prompt for all users. The prompt acts as a security measure to prevent spoofing.

Verify community settings

Open your Viva Engage community, click on the Settings gear icon, and review the available posting permissions to confirm no direct email toggle exists.

Submit a feature request

Navigate to the official Viva Engage Feedback Community portal and submit a suggestion requesting a toggle to disable email posting.

Understand Yammer's Post via Email Limitations

Alternative Workaround: You can manage who can post in a community by restricting overall posting permissions, though this will restrict web and app posting as well.

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Frequently Asked Questions

Can I restrict who can post via email in a specific Viva Engage community?

You cannot restrict email posting independently. You must restrict overall posting permissions in the community settings, which will simultaneously limit both email and web-based posts.

Why do users receive a 'Post via Email Confirmation' prompt?

Viva Engage sends this prompt as a security measure to verify that the user intended to post to the community and to prevent spoofed email addresses from spamming the group.

Is there any way to bypass the email confirmation prompt in Yammer?

No, the confirmation prompt is a built-in security feature implemented by Microsoft and cannot be bypassed or disabled by community administrators.

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