It may also discourage businesses from sending unsolicited emails, because if they have to pay it will be more of a decision to make to send them. Businesses probably wouldn't want to pay for undelivered messages or emails that bounce back.  -   Dave Evans     Quotes
It may also discourage businesses from sending unsolicited emails, because if they have to pay it will be more of a decision to make to send them. Businesses probably wouldn't want to pay for undelivered messages or emails that bounce back. Dave Evans