Why is e-mail returned because you don't have a yahoo account even if you have a user name & password & groups

Question

I belong to 3 yahoo groups.when I send a message to the groups address to be sent to all the menbers of the group.it can't be delivered because they say I don't have a yahoo acct.I can send a message to individual members of the group and I recieve all the e-mails sent to the members by the group. I could particepate better if my e-mails to the group worked Thanks

Answer 1

help form

http://help.yahoo.com/l/us/yahoo/groups/...