Whilst the internet has brought many benefits to civilisation, it also has many negative issues. One of which is Spam.
If you put an email address online then chances are that email address will be picked up by automatic spam programmes that scan websites looking for email addresses.
Once a spam programme has this email address, it will add this to its database so that the email recipient gets all sorts of unwanted and inappropriate emails.
To protect from spamming there are some ways you can stop your email address from being picked up by spam programmes: