Sent email rejected
in [Outlook Express]
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From: Bob W Bob on 7 Nov 2007 11:44 Outlook Express has been used for a long time with no problems and nor alterations have been made. 4 days ago the sent emails were rejected. I turned off computer over night and it worked again the next day. Then, yesterday, the sent emails were rejected and I shut off computer overnight. Error problem still exists. Receiving emails works OK. I can send OK through webmail at Comcast, but not from OE. Here is the Microsoft error message: The message could not be sent because the server rejected the sender's e-mail address. The sender's e-mail address was 'bobwilmot(a)comcast.net'. Subject 'testing', Account: 'Bob Wilmot', Server: 'smtp.comcast.net', Protocol: SMTP, Server Response: '550 5.1.0 Authentication required', Port: 25, Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC78
From: Bruce Hagen on 7 Nov 2007 12:24 Tools | Accounts | Mail | Properties | Servers. Is: My Server Requires Authentication checked? The error message suggests that it should be. -- Bruce Hagen MS-MVP Outlook Express Imperial Beach, CA "Bob W" <Bob W(a)discussions.microsoft.com> wrote in message news:239BF2CB-5CEF-40AD-AA85-CEC253F9901F(a)microsoft.com... > Outlook Express has been used for a long time with no problems and nor > alterations have been made. 4 days ago the sent emails were rejected. I > turned off computer over night and it worked again the next day. Then, > yesterday, the sent emails were rejected and I shut off computer > overnight. > Error problem still exists. Receiving emails works OK. I can send OK > through webmail at Comcast, but not from OE. Here is the Microsoft error > message: > > The message could not be sent because the server rejected the sender's > e-mail address. The sender's e-mail address was 'bobwilmot(a)comcast.net'. > Subject 'testing', Account: 'Bob Wilmot', Server: 'smtp.comcast.net', > Protocol: SMTP, Server Response: '550 5.1.0 Authentication required', > Port: > 25, Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC78 > >
From: Bob W on 7 Nov 2007 12:48 Thanks for response, Bruce. I have already phoned Comcast and these were correct: POP3; mail.comcast.net; smtp.comcast.net. Is that what is meant by "authentication checked"? Bob "Bruce Hagen" wrote: > Tools | Accounts | Mail | Properties | Servers. Is: My Server Requires > Authentication checked? The error message suggests that it should be. > -- > Bruce Hagen > MS-MVP Outlook Express > Imperial Beach, CA > > > "Bob W" <Bob W(a)discussions.microsoft.com> wrote in message > news:239BF2CB-5CEF-40AD-AA85-CEC253F9901F(a)microsoft.com... > > Outlook Express has been used for a long time with no problems and nor > > alterations have been made. 4 days ago the sent emails were rejected. I > > turned off computer over night and it worked again the next day. Then, > > yesterday, the sent emails were rejected and I shut off computer > > overnight. > > Error problem still exists. Receiving emails works OK. I can send OK > > through webmail at Comcast, but not from OE. Here is the Microsoft error > > message: > > > > The message could not be sent because the server rejected the sender's > > e-mail address. The sender's e-mail address was 'bobwilmot(a)comcast.net'. > > Subject 'testing', Account: 'Bob Wilmot', Server: 'smtp.comcast.net', > > Protocol: SMTP, Server Response: '550 5.1.0 Authentication required', > > Port: > > 25, Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC78 > > > > > >
From: Bruce Hagen on 7 Nov 2007 12:54 No, it is a box you check. Tools | Accounts | Mail | Properties | Servers. Is: My Server Requires Authentication checked? I don't know if this is the answer, just something to try since the error message mentions it. Your address is being rejected by Comcast. You may find some information here as well. Comcast FAQs: http://www.comcast.net/help/faq/index.jsp?faq=Hot117481 -- Bruce Hagen MS-MVP Outlook Express Imperial Beach, CA "Bob W" <BobW(a)discussions.microsoft.com> wrote in message news:21071A19-C548-48E3-8D20-DA2633942B38(a)microsoft.com... > Thanks for response, Bruce. > I have already phoned Comcast and these were correct: POP3; > mail.comcast.net; smtp.comcast.net. Is that what is meant by > "authentication > checked"? > Bob > > "Bruce Hagen" wrote: > >> Tools | Accounts | Mail | Properties | Servers. Is: My Server Requires >> Authentication checked? The error message suggests that it should be. >> -- >> Bruce Hagen >> MS-MVP Outlook Express >> Imperial Beach, CA >> >> >> "Bob W" <Bob W(a)discussions.microsoft.com> wrote in message >> news:239BF2CB-5CEF-40AD-AA85-CEC253F9901F(a)microsoft.com... >> > Outlook Express has been used for a long time with no problems and nor >> > alterations have been made. 4 days ago the sent emails were rejected. >> > I >> > turned off computer over night and it worked again the next day. Then, >> > yesterday, the sent emails were rejected and I shut off computer >> > overnight. >> > Error problem still exists. Receiving emails works OK. I can send OK >> > through webmail at Comcast, but not from OE. Here is the Microsoft >> > error >> > message: >> > >> > The message could not be sent because the server rejected the sender's >> > e-mail address. The sender's e-mail address was >> > 'bobwilmot(a)comcast.net'. >> > Subject 'testing', Account: 'Bob Wilmot', Server: 'smtp.comcast.net', >> > Protocol: SMTP, Server Response: '550 5.1.0 Authentication required', >> > Port: >> > 25, Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC78 >> > >> > >> >>
From: Ricky on 7 Nov 2007 12:58 On the tools..accounts..mail..properties..server tab make sure the 'My Server Requires Authentication' box is checked. "Bob W" <BobW(a)discussions.microsoft.com> wrote in message news:21071A19-C548-48E3-8D20-DA2633942B38(a)microsoft.com... > Thanks for response, Bruce. > I have already phoned Comcast and these were correct: POP3; > mail.comcast.net; smtp.comcast.net. Is that what is meant by > "authentication > checked"? > Bob > > "Bruce Hagen" wrote: > >> Tools | Accounts | Mail | Properties | Servers. Is: My Server Requires >> Authentication checked? The error message suggests that it should be. >> -- >> Bruce Hagen >> MS-MVP Outlook Express >> Imperial Beach, CA >> >> >> "Bob W" <Bob W(a)discussions.microsoft.com> wrote in message >> news:239BF2CB-5CEF-40AD-AA85-CEC253F9901F(a)microsoft.com... >> > Outlook Express has been used for a long time with no problems and nor >> > alterations have been made. 4 days ago the sent emails were rejected. >> > I >> > turned off computer over night and it worked again the next day. Then, >> > yesterday, the sent emails were rejected and I shut off computer >> > overnight. >> > Error problem still exists. Receiving emails works OK. I can send OK >> > through webmail at Comcast, but not from OE. Here is the Microsoft >> > error >> > message: >> > >> > The message could not be sent because the server rejected the sender's >> > e-mail address. The sender's e-mail address was >> > 'bobwilmot(a)comcast.net'. >> > Subject 'testing', Account: 'Bob Wilmot', Server: 'smtp.comcast.net', >> > Protocol: SMTP, Server Response: '550 5.1.0 Authentication required', >> > Port: >> > 25, Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC78 >> > >> > >> >>
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