By default it should be OK. The problem is if your IP was previously used by someone bad before it recycled to you.
But it you have a server for a decade and have held the IP the whole time, you should be OK if you setup your email server correctly (which you probably won’t)
I think the main difficulty is getting companies like Gmail to recognize your domain as legitimate, as they don’t by default
By default it should be OK. The problem is if your IP was previously used by someone bad before it recycled to you.
But it you have a server for a decade and have held the IP the whole time, you should be OK if you setup your email server correctly (which you probably won’t)