My wife's computer stopped sending her emails with this rejection message:
The message could not be sent because the server rejected the sender's
e-mail address. The sender's e-mail address was '------'. Subject "ben",
Account:'mail.comcast,net',Server:'smtp.comcast.ne t',Protocol:SMTP,Server
Response:'5505.1.0 Authentication required',Port:25,Secure(SSL):No,Server
Error:550,Error Number 0X800CCC78.

What do I do to get her working again?


and Error Number 0X800CCC78. She uses OE 6 and everything worked fine
until today.

Tools | Accounts | Mail | Properties | Servers. Is: My server requires
authentication checked?

It appears from posts here that Comcast is continually making changes and
apparently not informing the user.

Not necessarily the answer, but some more information.

Comcast Setup FAQs:
http://www.comcast.net/help/faq/index.jsp?faq=Hot117481
--
Bruce Hagen
MS-MVP Outlook Express
Imperial Beach, CA


"BKBKBK" wrote in message
...
My wife's computer stopped sending her emails with this rejection message:
The message could not be sent because the server rejected the sender's
e-mail address. The sender's e-mail address was '------'. Subject "ben",
Account:'mail.comcast,net',Server:'smtp.comcast.ne t',Protocol:SMTP,Server
Response:'5505.1.0 Authentication required',Port:25,Secure(SSL):No,Server
Error:550,Error Number 0X800CCC78.

What do I do to get her working again?


and Error Number 0X800CCC78. She uses OE 6 and everything worked fine
until today.

"Bruce Hagen" wrote in message
...
Tools | Accounts | Mail | Properties | Servers. Is: My server requires
authentication checked?

It appears from posts here that Comcast is continually making changes and
apparently not informing the user.

Not necessarily the answer, but some more information.

Comcast Setup FAQs:
http://www.comcast.net/help/faq/index.jsp?faq=Hot117481
--
Bruce Hagen
MS-MVP Outlook Express
Imperial Beach, CA


"BKBKBK" wrote in message
...
My wife's computer stopped sending her emails with this rejection
message:
The message could not be sent because the server rejected the sender's
e-mail address. The sender's e-mail address was '------'. Subject "ben",
Account:'mail.comcast,net',Server:'smtp.comcast.ne t',Protocol:SMTP,Server
Response:'5505.1.0 Authentication required',Port:25,Secure(SSL):No,Server
Error:550,Error Number 0X800CCC78.

What do I do to get her working again?


and Error Number 0X800CCC78. She uses OE 6 and everything worked fine
until today.

"BKBKBK" wrote in message
...
My wife's computer stopped sending her emails with this rejection message:
The message could not be sent because the server rejected the sender's
e-mail address. The sender's e-mail address was '------'. Subject "ben",
Account:'mail.comcast,net',Server:'smtp.comcast.ne t',Protocol:SMTP,Server
Response:'5505.1.0 Authentication required',Port:25,Secure(SSL):No,Server
Error:550,Error Number 0X800CCC78.

What do I do to get her working again?


and Error Number 0X800CCC78. She uses OE 6 and everything worked fine
until today.

"石井　�昂" wrote in message
...

"BKBKBK" wrote in message
...
My wife's computer stopped sending her emails with this rejection
message:
The message could not be sent because the server rejected the sender's
e-mail address. The sender's e-mail address was '------'. Subject "ben",
Account:'mail.comcast,net',Server:'smtp.comcast.ne t',Protocol:SMTP,Server
Response:'5505.1.0 Authentication required',Port:25,Secure(SSL):No,Server
Error:550,Error Number 0X800CCC78.

What do I do to get her working again?


and Error Number 0X800CCC78. She uses OE 6 and everything worked fine
until today.

"N. Miller" wrote in message
...
On Tue, 20 Nov 2007 18:40:01 -0800, BKBKBK wrote:

My wife's computer stopped sending her emails with this rejection
message:
The message could not be sent because the server rejected the sender's
e-mail address. The sender's e-mail address was '------'. Subject "ben",
Account:'mail.comcast,net',Server:'smtp.comcast.ne t',Protocol:SMTP,Server
Response:'5505.1.0 Authentication required',Port:25,Secure(SSL):No,Server
Error:550,Error Number 0X800CCC78.

What do I do to get her working again?


and Error Number 0X800CCC78. She uses OE 6 and everything worked fine
until today.

What you do is review the Comcast FAQ about configuring MS Outlook
Express:

http://www.comcast.net/help/faq/inde...k_Express17686
http://www.comcast.net/help/faq/inde...k_Express17739

--
Norman
~Shine, bright morning light,
~now in the air the spring is coming.
~Sweet, blowing wind,
~singing down the hills and valleys.