Re: [mailop] Odd delay at Gmail ?

2022-04-22 Thread Cyril - ImprovMX via mailop
Hi Brandon, Nice to meet you and thank you for answering my email. I managed to get the eml from that user if you are interested in checking the headers and seeing if you notice any odd behavior. What I remain curious to know is why the Date in the Received header had its timezone changed, but th

Re: [mailop] Odd delay at Gmail ?

2022-04-21 Thread Brandon Long via mailop
While every attempt is made to deliver mail as quickly as possible, any sufficiently large distributed system will occasionally have issues. We monitor the delivery latency within our systems, and act when they go bad. At times, there have been deliberate choices made to the design which allowed

Re: [mailop] Odd delay at Gmail ?

2022-04-20 Thread Luis E . Muñoz via mailop
On 20 Apr 2022, at 13:06, Bill Cole via mailop wrote: > When I looked at this phenomenon I didn't see any clumping of delay times, > but I only had a few dozen with delays 10m-10h so they were pretty sparsely > scattered. Matches me—few and apart—observations. -lem

Re: [mailop] Odd delay at Gmail ?

2022-04-20 Thread Luis E . Muñoz via mailop
On 20 Apr 2022, at 12:35, Cyril - ImprovMX via mailop wrote: > That idea also crossed my mind, that it would only be displayed when the > actual time is > than the Date in the email. > Unfortunately, that's something I cannot tell, I don't know and since it is > occurring rarely, it's hard to ask

Re: [mailop] Odd delay at Gmail ?

2022-04-20 Thread Bill Cole via mailop
On 2022-04-20 at 12:08:09 UTC-0400 (Wed, 20 Apr 2022 17:08:09 +0100) Laura Atkins via mailop is rumored to have said: > It seems weird to me that Google would sit on an email for exactly 8 hours Pedantic note: the times cited were actually 7:54:45 apart, so it's not some oddly even amount of ti

Re: [mailop] Odd delay at Gmail ?

2022-04-20 Thread Cyril - ImprovMX via mailop
That idea also crossed my mind, that it would only be displayed when the actual time is > than the Date in the email. Unfortunately, that's something I cannot tell, I don't know and since it is occurring rarely, it's hard to ask the user to "try again". Le mer. 20 avr. 2022 à 18:11, Laura Atkins v

Re: [mailop] Odd delay at Gmail ?

2022-04-20 Thread Laura Atkins via mailop
> On 20 Apr 2022, at 16:44, Cyril - ImprovMX via mailop > wrote: > > Thank you all. > > About Laura's question, I can confirm that on our end, we successfully > forwarded the message with a 2XX response from Google within a few seconds. > Our timestamp show that this user should have receiv

Re: [mailop] Odd delay at Gmail ?

2022-04-20 Thread Cyril - ImprovMX via mailop
Thank you all. About Laura's question, I can confirm that on our end, we successfully forwarded the message with a 2XX response from Google within a few seconds. Our timestamp show that this user should have received the email 8 hours before he really received it. @Alexander: Your suggestion is v

Re: [mailop] Odd delay at Gmail ?

2022-04-20 Thread Alexander Huynh via mailop
On 2022-04-20 12:51:47 +0200, Cyril - ImprovMX wrote: > What happened here ? Anecdotally, I recently switched MX servers and found that my emails from Google were also delayed for about 8 hours. The next day when I received my MTA-STS reports, I found 53 failures as reported by Google, since my th

Re: [mailop] Odd delay at Gmail ?

2022-04-20 Thread Bill Cole via mailop
On 2022-04-20 at 06:51:47 UTC-0400 (Wed, 20 Apr 2022 12:51:47 +0200) Cyril - ImprovMX via mailop is rumored to have said: What happened here ? Gmail happened. Only Google (maybe) knows what this phenomenon is. Maybe Brandon Long will speak up here about it, maybe not. Our logs clearly show

[mailop] Odd delay at Gmail ?

2022-04-20 Thread Cyril - ImprovMX via mailop
Hi everyone ! I'm reaching out in the hope to find someone in the same situation, and that I can receive some input on why this happened. We forward a lot of emails including to Gmail, and a user reached out to us because their email arrived in their inbox with a delay of 8 hours! That user was