Personal Web Navigator (perweb.nsf) - Explanation

Do Lotus Notes clients need this notes database Personal Web navigator ?

Our location Documents in the users personal address book specify Microsoft Internet Explorer as the Internet Browser.

I was told once by a lotus technician that in order to render pictures and objects sent in emails, this notes database has to exist. I’m not sure how true that information is. I have a lot of problems sometimes beliveing what Lotus Tech Support says at times.

Can someone please explain this databse Personal Web Navigator.

Do you need to have this DB in order to open certan emails ?