"I think I just configured sendmail to only use ipv4 and that solved the gmail i... | Hacker News

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		saltybytes on Jan 27, 2018 \| parent \| context \| favorite \| on: How to Run Your Own Mail Server (2017) "I think I just configured sendmail to only use ipv4 and that solved the gmail issue." This was my experience, too. I took this advice [1] configuring postfix and Gmail started to accept my emails. [1] https://christian.skala.me/blog/gmail-why-are-you-doing-this...

cpncrunch on Jan 28, 2018 [–]

My issue was that I wasn't very familiar with ipv6, and my ISP (OVH) apparently gave my server a range of about 256 ipv6 addresses, and I didn't really know how to properly set up reverse DNS and SPF. After spending a day or two getting nowhere, I just decided to turn off ipv6 completely for the server.

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