Cableone e-mail not delivered to Verizon after 1/1/13
My brother (Verizon.net) and I (Cableone.net) have been e-mailing for 15 years with no problems. However, on January 1st and to date he has not received any of my e-mails, although I continue to receive his with no problem.
Does anyone know what might have happened with Cableone, Gmail, or Verizon to cause this?
Is there anything I can do to troubleshoot and correct?