Issue
When I send an email to one of my Google Groups, I get the following error:
- Your message to group@blakeschool.org could not be delivered because of previous failures during delivery attempts to this mailing list. Please update the list with valid addresses.
- Delivery to the following recipients failed permanently.
- 550 550 Blocked (state 17)
Cause
A large percentage of the group's members bounced a previous group email, causing the group to enter a bounce state. A group in a bounce state bounces every message it receives to protect its members from malicious attacks. Several events can cause a large percentage of your group's members to bounce an email.
Resolution
You may be able to resolve the bounce state by instructing the users listed in the error message you received to update their email bounce status at the following page:
https://groups.google.com/a/blakeschool.org/groups/bounced?pli=1
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