Why am I getting a 530 Authentication error when I try to email

[Bob B]

Sending' reported error (0x800CCC78) : 'Cannot send the message. Verify the
e-mail address in your account properties. The server responded: 530
Authentication is required before sending [R0107005]'

I can receive emails fine, but can not reply.

 

[Kathleen Orland]

Have you configured authentication to your SMTP server, the same as your POP
server?

 

[Tom Willett]

It's telling you that you must use SMTP authentication. Check with your mail
service provider as to the correct settings for your account.

:
: Sending' reported error (0x800CCC78) : 'Cannot send the message. Verify
the
: e-mail address in your account properties. The server responded: 530
: Authentication is required before sending [R0107005]'
:
: I can receive emails fine, but can not reply.