This post will go over this error you might see if you are using Exchange and using an external SMTP server. The reason why you are receiving the error: “Sending ...

In addition, he got a Send/Receive error message that says: "Task 'POP3 Account - Sending' reported error (0x80070057): 'Could not complete the operation.

My Outlook 2003 gives me this error message when I try to send: Task 'pop.sbcglobal.yahoo.com - Sending' reported error (0x80070057) : 'Could not complete the ...

I had the same problem with the same error message: Task 'pop - Sending' reported error (0x80070057) : 'Could not complete the operation. One or more parameter values are ...

> > > Task '*** - Sending' reported error (0x80070057) : 'Could not complete the > > > operation. One or more parameter values are not valid.' > > > > > > I see no apparent ...

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When I send email in Outlook 2007 on Vista OS, I get error 0x80070057: "Task [my email address]- Sending' reported error (0x80070057) : 'Could not complete the operation.

Error is: Task 'yourisp.com - Sending' reported error (0x80070057) : 'Could not complete the operation. One or more parameter values are not valid.'