I will continue to troubleshoot, now can receive but not send
The message could not be sent. The authentication setting might not be
correct for your outgoing e-mail [SMTP] server. For help solving this
problem, go to Help, search for "Troubleshoot Windows Mail", and read the
"I'm having problems sending e-mail" section. If you need help determining
the proper server settings, please contact your e-mail service provider.
The rejected e-mail address was '(e-mail address removed)'. Subject '', Account:
'Dorothy Groce', Server: 'outgoing.verizon.net', Protocol: SMTP, Server
Response: '550 5.7.1 Authentication Required', Port: 25, Secure(SSL): No,
Server Error: 550, Error Number: 0x800CCC78
mac said:
Go to Tools>Accounts>select your account>properties>Server tab.
Ensure that neither of the check boxes are selected for password or SMTP
authentication, Apply>OK any changes.
See for full instructions
http://www22.verizon.com/ResidentialHelp/HighSpeed/Email/Setup And Use/QuestionsOne/120516