Privacy is a main consideration, however.
If you are so new to the internet that you don't yet know how to do this, contact the Webmaster for help. Use a pseudonym when registering for your free email address. Do NOT choose to be in the 'directory' many web email servers offer. The best part is, using the free web-email option, you can even reply to emails if you wish, still without providing any information about your identity except that you choose. It is probably easier than it sounds when written out.