Comcast filed a fake spam report to blacklist my address from MailChimp. Please contact them to remove me from the blacklist.

I posted this in another help forum.  A moderator there didn't like my wording, so they edited my post and hid it without providing any, you know, customer support.

About two or three years ago, Comcast's e-mail system decided to mark e-mail notifications from a store that I've bought stuff from for 20 years as spam.  That triggered the store's mail service (MailChimp) to put my e-mail address on a blacklist.  Nobody out of dozens of people I called in phone support had any clue what was wrong, let alone what to do about it, but I lucked into finding somebody here that actually knew something about e-mail.  That guy reached out to MailChimp and got me removed from their blacklist.

And now it's happening again.  I was unable to reach anybody at MailChimp myself as they were recently acquired by Intuit, who has broken alot of their help links and installed a pretty dumb AI as their phone tree.  Please help.  All I need is my e-mail address removed from MailChimp's blacklist.  Then e-mails should start flowing again.

PS - I wish flagging actual spam actually worked.  I'm drowning in obviously robotic word salad spam every day.  But normal e-mail that I want gets randomly flagged _once_ and it goes to Defcon 1?