I'm having trouble sending messages

[Guest]

I am getting this message sent back to my inbox when tring to send messages
from outlook?

Your message did not reach some or all of the intended recipients.

Subject: FW: email trouble
Sent: 5/26/2005 9:30 AM

The following recipient(s) could not be reached:

'(e-mail address removed)' on 5/26/2005 9:30 AM
550 not local host comcast.net, not a gatewayI get this response
from the system administrator when trying to send messages:

 

[Brian Tillman]

I am getting this message sent back to my inbox when tring to send
messages from outlook?

Your message did not reach some or all of the intended recipients.

Subject: FW: email trouble
Sent: 5/26/2005 9:30 AM

The following recipient(s) could not be reached:

'(e-mail address removed)' on 5/26/2005 9:30 AM
550 not local host comcast.net, not a gatewayI get this
response from the system administrator when trying to send messages:

You need to authenticate to your outgoing server.