news:e8u66mVLIHA.536@TK2MSFTNGP06.phx.gbl...
> I seem to have developed a problem with sending messages ...
>
> Every so often, seemingly randomly, I compose a message and send it
> in the normal way only to observe it sitting in the Outbox whilst
> Outlook attempts to send it.  This continues for a few minutes and
> then I receive an undeliverable message:
>
> The following recipient(s) could not be reached:
>
> 'x***@yyyy.com' on 22/11/2007 22:44
>
> 451 4.3.0 Error: queue file write error
>
> XXX YYY on 22/11/2007 22:44
>
> 451 4.3.0 Error: queue file write error
>
> Any help would be appreciated.

"VanguardLH" <VanguardLH@mail.invalid> wrote in message
news:OiIZqxXLIHA.3992@TK2MSFTNGP03.phx.gbl...
> "Terry Bennett" wrote in message
> news:e8u66mVLIHA.536@TK2MSFTNGP06.phx.gbl...
>> I seem to have developed a problem with sending messages ...
>>
>> Every so often, seemingly randomly, I compose a message and send it in
>> the normal way only to observe it sitting in the Outbox whilst Outlook
>> attempts to send it.  This continues for a few minutes and then I receive
>> an undeliverable message:
>>
>> The following recipient(s) could not be reached:
>>
>> 'x***@yyyy.com' on 22/11/2007 22:44
>>
>> 451 4.3.0 Error: queue file write error
>>
>> XXX YYY on 22/11/2007 22:44
>>
>> 451 4.3.0 Error: queue file write error
>>
>> Any help would be appreciated.
>
>
> Talk to your e-mail provider.  It is their problem.  Maybe they ran out of
> free disk space for their mail server's host.  Per RFC 2821, the generic
> meaning of that error code is "451 Requested action aborted: error in
> processing".  They screwed up in processing your e-mail.  It is a
> server-side problem and you can't do anything about it.
>
> How many recipients were listed in the e-mail for which the 451 error
> occurred?
>
> How big was the e-mail (not what you composed but what you sent) that got
> this error?
>
> Did you empty out your Inbox folder using their webmail interface to your
> e-mail account?  Have you checked the disk quota usage (i.e., your
> consumption of your allotment) using their webmail interface to see that
> statistic?
>
> Are you including attachments in your e-mails?  If so, what filetype(s)
> are they?  Does your e-mail provider scan outbound e-mails for viruses?
> Maybe you need to pack those executable attachments within a .zip file and
> attach that.
>
> Turn on the troubleshooting logging in Outlook.  Check for which command
> sent by your e-mail client that the server is returning the 451 error.
>

"Earthlink News" <dlfu***@earthlink.net> wrote in message
news:FA995C16-2EC4-4C38-BDC1-D7BF40A0C942@microsoft.com...
>
> "VanguardLH" <VanguardLH@mail.invalid> wrote in message
> news:%233RZZojLIHA.1208@TK2MSFTNGP05.phx.gbl...
>> "Terry Bennett" wrote in message
>> news:%239vuBIiLIHA.5580@TK2MSFTNGP02.phx.gbl...
>>> - how do you turn-on 'troubleshooting logging' in Outlook?
>>
>>
>> Depends on the version of Outlook.  In OL2002, go to Tools -> Options ->
>> Other -> Advanced -> Enable mail logging
>>
>> This creates an opm.log file in your %temp% path.
>
> I've read in a few places that this can be caused by a corruption in the
> contact information.  It usually occurs when you select the address from
> the contacts folder rather than manually typing it in.  I had the same
> problem with Outlook 2007.  The email would sit in the outbox and then I
> would get a send error, but the email was still going out.  The recipient
> would receive multiple copies of the email.  If this is the problem you
> are having, try this:  go through your contacts folder and open the
> contact listing(s) you seem to be having trouble with.  After opening the
> listing, save and close it.  This seems to correct whatever the corruption
> is, and it solved my problem.