Why would you like that, jose p fonseca?
I think it's fine that you choose for yourself.
And you have chosen to list yours
Many people don't want their e-mails to be public for a number of reasons, spamming being one of them.
Personally, I have had mine listed for years without one single instance of abuse.
The few e-mails I have received have always been kind, friendly, and welcome.

I'm more after geography myself.
Where are you from?
Where are you, from jose p fonseca?
In Denmark we have a weather woman with your last name - I think she got it through marriage.

I think the forums are mostly suitable for exchanges between members. When they are not there is always the option of exchanging email addresses. Also, I tend to prefer to want to opt in rather than opt out. Opting out gets to be a pain.