I can receive email but cannot send to another isp

[dshadow06]

I can not send emails to aol,earthlink,msn or yahoo. However, I can receive
emails from all, and I can send mail within my isp accounts. I am using
outlook express 6 and IE 7. My ISP has checked all settings. I can use other
programs to send email.
This is typical of the error message
The message could not be sent because one of the recipients was rejected by
the server. The rejected e-mail address was '(e-mail address removed)'. Subject 'Fw:
March Nikon Monarch, Bushnell and Browning Specials!', Account:
'pop.charter.net', Server: 'SMTP.charter.net', Protocol: SMTP, Server
Response: '550 relaying mail to aol.com is not allowed', Port: 25,
Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC79

 

[dshadow06]

I should have mentioned that I have also deleted my address book and turned
off the virus scan on outgoing mail. I also tried creating another connection
and profile, outlook express still does not work.

 

[K. Orland]

Outlook Express is part of Internet Explorer, not Microsoft Office and
Outlook which this newsgroup supports. Please post in an Outlook Express
newsgroup to obtain an OE-specific answer from people who use it:

http://www.microsoft.com/windows/ie...inetexplorer.ie6_outlookexpress&lang=en&cr=US