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On Wed, Sep 9, 2020 at 08:59 PM, Maureen wrote:

"Non-member @yahoo.com attempted to send message "Technical Glitch" via email"? ?(I replaced the name with asterisks in this post)
We did have a message thread just before this that had "Technical Glitch" as the subject line, but we have no idea who this "non-member" is.?

Maureen -- This happens anytime a message arrives at the group address from an email address that is not recognized.?

Am I assuming correctly that this was some spam that was blocked from actually reaching members via emails and/or the message board?

Well, it was certainly blocked. Whether the message would meet anyone's definition of "spam" is another matter.?

I suppose if your message archive is public, it's possible that a spammer may have read the existing thread online and then attempted to send another message with the same subject line, hoping it would go through. But in my experience spammers are neither that sophisticated, nor do they have that much time on their hands.

The most likely scenario is that someone who *is* subscribed to your group attempted to send a response to the existing thread using an email address that's not subscribed. This is becoming more and more common, as just about everybody has more than one email address these days. A message posted to the group could also have been CC-ed to someone who is not subscribed. If that recipient does a "reply all," then the copy that comes back to your group gets unceremoniously dumped.

With some thought I'm sure we can come up with other such scenarios...most of them fairly benign.

Hope this helps,
Bruce

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