go phishing.
Add your new yahoo account to a million junk mail lists and neswaletters. It’s only a matter of time befor you get spam there by spammers who includes a hunk of free email names in the to: or cc” field. harvest them and add them to yuor email list.
…..and watch the **** mail roll in when you use the list!
You might consider doing something constructive.
Are u sick??? Mentally? Who would want more mail?