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Same. I run a 10/10 (mail-tester.com) mail server for myself personally on a VPS from Digital Ocean. Its IP address is on Charter's permanent blocklist and has

Same. I run a 10/10 (mail-tester.com) mail server for myself personally on a VPS from Digital Ocean. Its IP address is on Charter's permanent blocklist and has been for years so I cannot email my mom. I set up a SMTP relay via a free-tier sendgrid and it worked for a while but then that relay got added to spamlists and I could basically only email my mom. Presumably the paid sendgrid setups allow a bit more resilience against getting on those lists.

pbhjpbhj 6y ago
I reckon your mom is reporting you as a spammer. /jk
- bombcar 6y ago
  My sister obviously thinks the “spam” button is the same as “delete email” button. Every once in awhile I get the Google apps for domains notification “tons of spam has been marked”.
walrus01 6y ago
Any high volume vps, vm, dedicated server, Colo hosting company is going to have this problem with ip space reputation. The only place to fully self host your own email these days is on a more boutique isp where it's not possible for anyone with a credit card and a pulse to sign up as a customer in a fully automated process.