cannot send emails to "sbcglobal.net"
Site:
An error occurred while trying to deliver this message to the recipient's e-mail address. Microsoft Exchange will not try to redeliver this message for you. Please try resending this message, or provide the following diagnostic text to your system administrator.
The following organization rejected your message: mta1273.sbc.mail.gq1.yahoo.com.
Diagnostic information for administrators:
Generating server: bigfish.com