Something is seriously wrong at Tsohost, the ongoing blacklist issues are only the tip of the iceberg unfortunately. Tsohost frankly still shock me to this very day, they're clearly in freefall.
I created a tiny Wordpress site for a family member about 8 years ago. At the time I recommended Tsohost (as they were good then before the Godaddy buyout, out sourching support etc.). This site has been hosted with Tsohost ever since. Literally just got an email from the site owner to say their info@ email is broken and wonlt work in Outlook.
I subconsciously lol'd to myself and assumed they'd done something silly their end. After checking the settings and verifying there is in fact an issue I cam across
https://help.tsohost.com/status/report/9988, titled "Info@ mailbox issue on our cloud platform". It appears people with emails starting with "info@" currently cannot send emails.
Completely insane. I also note their last update to the ticket was 4 days ago, no updates since - it appears some things at Tsohost never change. I'm 100% glad to be away from them.
I've told the site owner to move to a better host.