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  • I did a "reverse IP" search to find if another domain is hosted on the same IP but it does not give any other domain. Is there any other way to check If my IP is shared. Another question I use ssh to connect that VPS. Like "ssh root@IP" If several customers share that IP, how I can log into my server with ssh? Commented Sep 17, 2023 at 18:51
  • Ask your hosting company if it is a shared IP. If you have your own IP address for the VPS, and you keep ending up on spam lists, there must be a reason for that. I have a web hosting business with lots of customers and the only time the server ever ends up on a blacklist is if someone's wordpress site or mail account are compromised and there is a spam event. Commented Sep 17, 2023 at 22:36
  • @Steve Tjats not right. Large parts of IP space are mapped out as being end user IPs and are in blacklists, and thrre are blscklistd that mark out ranges which inclide dodgy IP"s. I also don't see how a dedicated VPS can run a shared IP address. AKA - in tje general case if you have root and a VPS and a static IP you must be able to control the SMTP server and thus its nit shared with others. Commented Oct 13, 2023 at 17:58