On 2018-04-24 20:56, J.W. Foster wrote:
An error occurred while sending mail. The mail server responded: 4.7.1 <jfoster81747@yahoo.com>: Relay access denied.
if using external SMTP server you sometimes have to register who is allowed to send mail with them. I had problem not been able to send mail when changed domain name but can't remember just now how resolved it.
mick -- Key ID 4BFEBB31