It is complex. Here is the original message. It is on Yahoo.
https://baseball.fantasysports.yahoo.com/b1/8958/invitation?key=7d486a7fbe34d8b9&soc_trk=lnk&ikey=e249ee88454d376e

The league rules are here
https://docs.google.com/document/d/1ohF_0P2VYH3FrxcqFMxaqB31cNxeeUMJzTDsVaJB4Wk/edit

both links should now work

bump
i really want this league to fill. we need 12-16 more people!!

I would but can't get into my yahoo

whats the matter i could help. password isnt working?

I got the password it just been too long without logging in a the phone number it is under is old and don't currently have and i don't have new phone to use in place for the old one

ah ok

Is there anyway around it like using a Email?

see if you can find a skip option or an option to use an email... im not exactly sure cuz i dont know what ur screen says