How to run your own mail server (2017)

Re:How to run your own mail server (2017) by pera on Tuesday November 19, 2019 @03:07PM (#21577691)

I don't have any problems with Gmail, but there is no way to know why :)

As far as I know the most important factor for deliverability is your IP address: my /24 have been clean for many years because the network operator actually respond to abuse@ reports.

If you have problems my first advice (aside from checking that SPF+DKIM+DMARC+PTR+banner+etc... are OK) would be to find a better ISP.

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Re:How to run your own mail server (2017) by wpietri on Tuesday November 19, 2019 @06:30PM (#21579517)

This is a physical server (at Datacate [1] in Santa Clara), so switching ISPs is not a small undertaking, especially given that I'm only using 1U of space. Last I looked the netblock reputation seemed fine, so I'd only be inclined to switch if I had clear evidence that was the real problem.

[1] in this block if it matters: https://rdap.arin.net/registry/ip/198.167.232.0

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Re:How to run your own mail server (2017) by pera on Tuesday November 19, 2019 @07:43PM (#21580046)

Yeah, the IP address of your MX looks clean indeed, and your config looks good too... I wonder, have you ever tried sending from @scissor.com instead of @williampietri.com?

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Re:How to run your own mail server (2017) by wpietri on Wednesday November 20, 2019 @12:07PM (#21585773)

I definitely observe the problem on both domains. Maybe less on my name domain, but it's hard to tell.

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