Dedicated IP Hong Kong

[laa]

Hello. Do you recommend a Dedicated IP? I have researched this concept. While some writings mention that it is not necessary if you do not have a large forum or trading site, they also say that it reduces the chances of your sent emails landing in the spam folder and helps with SEO. In an article on Wmarac?, it is written that it is necessary for third-party software and applications. Is this requirement also valid for an SSL certificate? Could the warning "Your connection to this site is not fully secure" be related to this? What recommendations do you have on this matter?