Fix Yammer Community Messages Sent by Email Not Posting
Question details
Messages sent to a Yammer community email address are not being posted to the community feed.
- Product
- Microsoft Yammer (Viva Engage)
- Device & OS
- not provided
- Scenario
- Community members are attempting to post messages by sending emails to the community email address.
- Observed behavior
- The emails do not appear in the community feed, and members receive no error message. Non-members receive an error when attempting to post by email.
Verify that you are sending the email from the exact address associated with your active Yammer community membership.
Open a Service Request in the Microsoft 365 Admin Center
Since this issue affects all community members without displaying error messages, it requires administrative investigation by Microsoft support.
When messages fail silently for all members, it typically indicates a configuration issue at the tenant level, specific community settings, or backend message processing failures. Microsoft support has the necessary tools to check delivery logs and identify the blockage.
Locate your organization's Microsoft 365 administrator or IT support team, as standard users cannot access the required admin panel.
Have the administrator log into the Microsoft 365 admin center at admin.microsoft.com.
Navigate to the Support section in the left-hand menu and create a new service request detailing the Yammer email posting failure.
Supply the support team with the affected Yammer community email address, the sender's email address, and the exact timestamp of the failed message.
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Frequently Asked Questions
Why do non-members receive an error when emailing a Yammer community?
Yammer security settings typically restrict email posting to active members of the community to prevent spam and unauthorized messages from external sources.
Where can I find the email address for a Yammer community?
In the Yammer (Viva Engage) web interface, navigate to your specific community, look for the 'Info' pane or community settings on the right side, and locate the 'Post by email' section to find the address.
Are there file size limits when sending attachments via email to Yammer?
Yes. While Yammer supports large file uploads natively, emails sent to Yammer are limited by your email provider's maximum message size restrictions, which typically range from 25MB to 35MB for the entire message including attachments.
