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Our group has daily discussions led by a panelist. The panelist for today posted his topic this morning about 2:45 [Mountain]. Some of our members say that they didn't get it until this afternoon. I received it when it was sent.

Does anyone have an idea what might cause this to happen?

Thank you,
Paula Parker

If any of the members have a setting other than Individual Messages for delivery, that would change their delivery time. Otherwise, their email service should have received it the same time yours did. I'd ask them to check the headers to see if they can find where the delay occurred.

Duane
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Just something you might think about using, if it is an issue with members' settings.

There is a hashtag for Special Notices that overrides members' personal settings (digest, etc.)?

Special notices: If a hashtag is set to Special, all messages tagged with it, including the original message in the topic and all replies, will be sent as Special Notices. Note: hashtags set to Special cannot be muted. Also, only moderators and owners can send Special Notices. If a normal subscriber replies, their message will be sent as a normal message.
Source: ?/static/help
Note - I think that "no mail" overrides Special Notices. That's why my groups are set to disallow "no mail".

Frances

Paula,
We haven't heard back from you so maybe you and the other members figured something out.? If so, be nice to know what that was if you'd be willing to share.??
I will mention that, if everyone had Individual Messages set and some did not receive a post in a "timely" fashion, the email is handled asynchronously on a best effort basis.? Once groups.io has passed it on to the recipient's email server, it's out of the picture and only by tracing the headers can you learn where it went and how long it took.? There is no guarantee of delivery in a certain time.? If groups.io encountered an error in sending, it would log that error as a bounce report.
Now, to investigate the "slow" emails, you can use a header analyzer tool which Google has made available (for anyone).? Info here ->?
You need to get the original source document of the received email with headers (Show Original in Gmail) and paste that text into the .
For example, the email I got from your original post to the GMF took 15 minutes.

Created at: 5/14/2018, 4:09:38 PM CDT ( Delivered after 15 mins )

#	Delay	From?*	?	?	To?*	Protocol	Time received	?
0	15 mins	web01.groups.io	→	?	pb-mx13.pobox.com		5/14/2018, 4:24:23 PM CDT

So, in this case, at that specific time, there was a 15 minute delay from when you posted/sent the message to when groups.io processed that post and sent to the group.
[Having researched this, I'll add it to the GMF wiki]

You mentioned that your group does "daily discussions led by a panelist" - this sounds like Chat might work better if you want a more real-time discussion at a specific time.

Thanks
Toby

On Tue, May 15, 2018 at 11:06 am, Toby Kraft wrote:

So, in this case, at that specific time, there was a 15 minute delay from when
you posted/sent the message to when groups.io processed that post and sent to
the group.

On this group, all posts are moderated, so that delay also includes the 'dead zone' until it was approved at 4:24. That can vary greatly, depending on how long it takes for a moderator to approve it.

Duane
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Duane,
Thanks for the reminder about moderated groups.? The tool is still good to trace the message after it leaves groups.io.
Toby