Yahoo Email Bounce, Hard vs Soft

I have two yahoo email bounces logged at the same time. One was a hard bounce and one soft. One is mailbox not found and one is mailbox disabled. Is this action hard coded? They should both hard bounce. Is this something that can be changed?

Soft Bounce:
Code:

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  xxxxxxxx@yahoo.com
    host http://mta6.am0.yahoodns.net/'mta6.am0.yahoodns.net...

Read more

Читать далее...