On Wed, Jan 23, 2019 at 03:29 PM, Bruce Bowman wrote:
Check your email client's spam folder for any return message reporting a 550 error.
I tried "rejecting by email"
immediately after releasing a test message via the web UI. The most significant part of the Delivery Service Notification that came back (more or less immediately) was:
- SMTP protocol diagnostic: 500 This message has already been approved or rejected.Note that this is not a "Groups.io" notification.
Chris