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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 /

by pera 7y ago

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.

wpietri 7y ago
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 https://rdap.arin.net/registry/ip/198.167.232.0
- pera 7y ago
  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?
  - wpietri 7y ago
    I definitely observe the problem on both domains. Maybe less on my name domain, but it's hard to tell.