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Delays in receiving GIO messages

 

One of my users, who has her own domain, says that there is a significant delay (hours) in getting emails from our group. She is set to single messages and is using Apple Mail, which is set to retrieve messages every five minutes, as well as webmail. The problem only happens with GIO mails. Anyone have any ideas?
 

Paste the header of a message that's been delayed into the analyzer at?

This should tell her where her messages are being held up.

Regards,
Bruce
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Peter,


The problem only happens with GIO mails.

Following on what Bruce said, if she finds that the delay occurs at the hop from Groups.io's outbound server to her email service's inbound server, then a likely cause is by her service provider. She'd need to find out from them if there's a way to exempt Groups.io from that practice.

Shal


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Here's what came back from Bruce's suggestion. You can clearly see where the delay is. Any thoughts as to what it implies?
 

Peter,


Here's what came back from Bruce's suggestion. You can clearly see where the delay is. Any thoughts as to what it implies?

That first row, from is the hop from Groups.io's outbound server to her email service. That had less than a one second delay, so it would seem that whatever problems are occurring are within her email service. Except that last row, which implies a completely improbable delivery back to .

At a glance it implies a serious misconfiguration problem with her email servers. Either that or she's in league with Dr. Who -- a negative delay should not be possible.

The negative-time hop was from a server to itself using MAPI, an application-layer protocol from Microsoft. Who knows what evil lurks in the hearts of Microsoft, I doubt even The Shadow does.

Another anomaly, the top of the report does not include the From, To, or Subject fields (and the last hop implies that the message went in a loop ending at ). It should end at her email inbox (a server at her email service).

Or maybe something in that message's header seriously confused the parser. If I cared I'd want to look at the raw header to double check what's going on (but don't post it in GMF, it will likely have private info in it). But it appears she should be bringing this issue to her email service's tech support instead.

Overall impression: mistakes were made. But not, apparently, by Groups.io.

Shal


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