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> My mailserver is marked as spam by gmail, a helpful HN commentor pointed out it may be my lack of ipv6 which appears to be the cause. I have no idea why ipv6
by dvfjsdhgfv 6y ago
> My mailserver is marked as spam by gmail, a helpful HN commentor pointed out it may be my lack of ipv6 which appears to be the cause. I have no idea why ipv6 would indicate that I’m not a spammer, I can’t ask google because they don’t have a support line.
It's actually a very old problem [0] introduced by Google in 2013. There are different workarounds depending on the MTA you use. Whenever you set up a new mail server you need to go through an increasingly longer checklist and it includes dealing with this issue.
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