in addition to your current yahoo email address you may create as many "spam addresses" that will receive your spam mails if one uses the address you entered in a site, then after weeks you delete the temporary address and that's done, you may therefore keep your first yahoo address safe.
eg : francois_webmail-job@yahoo.com is just a temporary address, but it takes shorter time to create and delete when not needed than create a new email at home.
I could create francois_webmail-codestore@yahoo.com the same way.
(unfortunately my office doesn't allow webmail server to be accessed :-(
FYI Jens : Yahoo mail offers this service now :
in addition to your current yahoo email address you may create as many "spam addresses" that will receive your spam mails if one uses the address you entered in a site, then after weeks you delete the temporary address and that's done, you may therefore keep your first yahoo address safe.
eg : francois_webmail-job@yahoo.com is just a temporary address, but it takes shorter time to create and delete when not needed than create a new email at home.
I could create francois_webmail-codestore@yahoo.com the same way.
(unfortunately my office doesn't allow webmail server to be accessed :-(