> 15. apr. 2022 kl. 16:24 skrev Al Iverson via mailop <[email protected]>: > > PPS- Don't send to Gmail over IPv6.
I would rather say «don’t try to send to gmail over IPv6 unless you have a correct reverse DNS for your IPv6 address». Google apparently decided to raise the bar a little when it comes to receiving over IPv6. I just sent as a test the message preserved at https://www.bsdly.net/~peter/somebody_mentioned_ipv6.eml.txt <https://www.bsdly.net/~peter/somebody_mentioned_ipv6.eml.txt> which was delivered over IPv6, as the headers will show, so it’s definitely possible. I have however at times seen people with gmail accounts either not getting messages from my domains at all or only finding them in the spam folder, when my logs record the messages as accepted by the Google servers. I would most certainly have preferred some sort of error message, but that appears not to be Google’s way of doing things. The domain’s reputation in Google’s view may have been tainted by their classifying some automatically generated mail *about* spam activity as spam. I was originally somewhat reluctant to mention those episodes, but for those bored witless and curious the bounces are archived at https://home.nuug.no/~peter/googlefail/ <https://home.nuug.no/~peter/googlefail/>. It’s even possible that some of the items at the first link in my signature has more information in a field notes type of style. - Peter — Peter N. M. Hansteen, member of the first RFC 1149 implementation team http://bsdly.blogspot.com/ http://www.bsdly.net/ http://www.nuug.no/ "Remember to set the evil bit on all malicious network traffic" delilah spamd[29949]: 85.152.224.147: disconnected after 42673 seconds.
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