Bulk email

Individuals sign up for advance email notice of estate sales a friend of my organizes. I send out the notices of when, where, etc. People who receive the notice do not want their email addresses displayed to others, so I send bcc’s. Yahoo limits the number of emails I can send per hour and per day. What shall I do?

http://www.twowriters.net/spam.htm

I receive too many bulk mail messages daily–how do you cancel them from appearing daily?