Dan SlevinDo you have a Substack newsletter that you wish was NOT a Substack newsletter (for whatever reason)? I’ve just spent about six weeks learning how to overcome all the obstacles they put in the way of leaving and would love to help. Let’s talk.
degenerating degenerate@danslevin I had a slightly different problem with them, I have never used them, but I started receiving a newsletter by email.
I complained to substack and mailgun abuse addresses, a week later received another one, so then in Postfix header_checks:
/^.*substack.*/ REJECT