An unknown error has occurred.

Subject 'test'
Server Error: 550
Server Response: 550 5.7.1 [C18] RBL restriction: Blacklisted by Internal Reputation Service - 67.143.241.64
Server: 'smtp.hughes.net'
Windows Live Mail Error ID: 0x800CCC69
Protocol: SMTP
Port: 25
Secure(SSL): No

when sending live mail document I get a box that says unknown error and the ID: ox80070057 appears.  Then the message is sent to Windows Live outbox and is stuck there.  Need help

 

Moved from Internet Explorer

Original title: email problem

Original title: not sending or receiving mail

 

I have received  a message stating that ' Unknown error has occurred.

                                                             Subject ' Fw The only flag that doesn't fly 
                                                             Server error 551
                       Server response: 551 5.7.6.
             Message rejected as SPAM (CM)
     Server Optusnet.com.au
     Windows Live Mail
     Error ID: 0x800CCC6B
     Protocol SMTP
     Port 25
     Secure (SSL) No

This message is blocking any mail being received on sent. I don't seem to be able to delete it. Pleas help...Lyn

Windows Live Mail starts up fine, works great, then in the middle of trying to delete read messages, I receive an "unknown error".  I just get frustrated and come back to it later.  This has been happening for over two weeks!  Any suggestions?

 

healthnut007

I have looked through many posts and see that others have had this problem, I can receive but not send email.  I have tried many of the suggestions from this site and others but no luck.  Here is the full text of the error message:

An unknown error has occurred.

Subject 'test'
Server Error: 421
Server Response: 421 
Server: 'smtp.comcast.net'
Windows Live Mail Error ID: 0x800CCC67
Protocol: SMTP
Port: 25
Secure(SSL): Yes


Depending on the suggestion I was trying, the last line sometimes changed to Secure(SSL): No
Does this make sense to anyone out there?

Thank you.
I tried (& failed) to send a message with many attachments. I deleted the message, but the outbox still show 1 message (no message showing). I receive message "An unknown error occurred" every time send/receive occurs. How do I get rid of? I have called Geek Squad and Comcast and they could not solve. I use G-mail, not comcast e-address.
how to deal with message below

This webpage is not available
The webpage athttps://sc.imp.live.com/content/dam/imp/surfaces/mail_signin/v3/mai/EN-US.html?id=64855&mkt=EN-US&cbcxt=mai might be temporarily down or it may have moved permanently to a new web address.
Error 501 (net::ERR_INSECURE_RESPONSE): Unknown error.
When I try to delete an email I get "An unknown error has occured" and I can't delete the message.  What do I do?
An unknown Error Occured
Error : 0x80040705
source : dotNet40

this is the Message i got after trying to Install WINDOWS ESSENTIALS on my WINDOWS 7(32 bit) dell computer
Anyone out there with any idea about how to fix it.???
Help would be appreciated 
I have 6 e-mails in my sent box that I cannot remove.  I've tried everything.   help