Please can anyone help me I am not the best with computers,but over the last week or so,I have just started to receive an error message that never used ot appear,I could send e-mails to my doctor's for repeat prescription but now the following error message appears message
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 'firstname.lastname@example.org.'. Subject 'Repeat Prescription', Account: 'email@example.com', Server: 'mail.btinternet.com', Protocol: SMTP, Server Response: '501 Syntax error in arguments', Port: 25, Secure(SSL): No, Server Error: 501, Error Number: 0x800CCC79
No matter what I do i just cant resolve it it doesnt happen to any other outgoing or incoming e-mails from any one else.sorry,to be a pain