Trying to send a group email/bcc with an attachment, never had problems
before but have never used blind copy ? is this the problem.... error
message below:

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 Removed)'. Subject 'Fibre
Show/ March 2009', Account: '24.71.223.43', Server: '24.71.223.43', Protocol:
SMTP, Server Response: '550 #5.1.0 Address rejected
(E-Mail Removed)', Port: 25, Secure(SSL): No, Server Error: 550,
Error Number: 0x800CCC79

I already responded in your other thread "Can't send group email in outlook
using bcc and an attachment".
Please, only one thread per issue.

--
Gary VanderMolen, MS-MVP (Mail)


"brenglass" <(E-Mail Removed)> wrote in message news:6919BFBF-29F1-4C27-AA67-(E-Mail Removed)...
> Trying to send a group email/bcc with an attachment, never had problems
> before but have never used blind copy ? is this the problem.... error
> message below:
>
> 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 Removed)'. Subject 'Fibre
> Show/ March 2009', Account: '24.71.223.43', Server: '24.71.223.43', Protocol:
> SMTP, Server Response: '550 #5.1.0 Address rejected
> (E-Mail Removed)', Port: 25, Secure(SSL): No, Server Error: 550,
> Error Number: 0x800CCC79