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ERROR CODE : 2007 Outlook - 0x8004210B
Posted 27 March 2012 - 08:39 AM
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Posted 27 March 2012 - 11:49 AM
A few questions
What operating system and service pack are you using?
Do you have multiple email accounts(addresses) that you use Outlook for?
If yes, does this happen only when sending from one of them but not when sending from the others?
Have you tried running the Office 2007 diagnostics tool?
(It's in your computer's start menu under MICROSOFT OFFICE > MICROSOFT OFFICE TOOLS)
What is the full text of the error message? (probably something about a timeout)
Posted 27 March 2012 - 12:34 PM
Here's the message I'm getting: “Task ‘(email)– sending’ reported error 0x8004210B: the operation timed out waiting for a response from the sender (SMTP) server. If you continue to receive this message, contact your server administrator or internet service provider.”
Posted 27 March 2012 - 12:56 PM
Hope your interview goes well.
There are a lot of things that can do this so I'll try to list them from the easiest to check to the more complex. I hate doing a bunch of work and finding the fix was something easy that I neglected to try first
First try running Office Diagnostics and see if it fixes it.
If not, I need to know something else before deciding the next most efficient step to take.
Check if both email accounts are using the same SMTP server for sending mail (that's normal)
Go to TOOLS > ACCOUNT SETTINGS on the EMAIL tab double click both email accounts and see if they have the same address entered for OUTGOING MAIL SERVER(SMTP)
If they are the same, is it a Cox address?
Posted 27 March 2012 - 06:20 PM
Also, under the send and receive progress details there shows 2-6 entries (amount changes)always as being completed, but the one that's actually being sent never is completed and shows "in progress" and not sent.
The hotmail account shows a MAPI type - the other one is POP/SMTP type.
Posted 27 March 2012 - 06:41 PM
Thanks for any help you might be able to give. I appreciate it VERY much!!
Posted 27 March 2012 - 07:04 PM
To see if both accounts are using the same outgoing mail server look here...
In Outlook go to
TOOLS > ACCOUNT SETTINGS
on the EMAIL tab, you'll see your email accounts listed.
Select one and click CHANGE (not the CHANGE FOLDER button but the word CHANGE above the list of accounts)
That will open a Change E-Mail Account window
In that window note the value next to OUTGOING MAIL SERVER(SMTP)
click the CANCEL button and do the same thing for the other account
Let us know what the value is for OUTGOING MAIL SERVER(SMTP)for both accounts.
For example, I use Verizon for my ISP and my OUTGOING MAIL SERVER(SMTP) is
Posted 27 March 2012 - 07:14 PM
Posted 27 March 2012 - 07:53 PM
Don't delete anything or make any changes until we can look at what we have. I'd like to see the SMTP server you are using. Here is the window you should see by following my previous instructions. I have circled the box that I need your value from...
Next click the MORE SETTINGS button that I have the red arrow pointing at and you should see this window...
Go to the ADVANCED tab and let me know what is in the areas I have circled in red in my picture.
So I need to know....
OUTGOING MAIL SERVER(SMTP)
OUTGOING SERVER (SMTP) port number (should be 25 or maybe 587)
and the SERVER TIMEOUTS setting (usually 1 minute)
Posted 28 March 2012 - 08:35 AM
Posted 28 March 2012 - 04:46 PM
The number for outgoing server is 465.(one of the Cox guys had me change that number but can't remember what is was originally) The timeout is 1 minute and 40 seconds. (I did try increasing the time-out a day or so ago, after reading online that might help, but it didn't. So, I put it back to where it was.)
Posted 28 March 2012 - 08:58 PM
Setting the outgoing port to 465 requires SSL to be turned on. When you look at the settings on your computer is the value that I circled in red set to SSL or AUTO?
If it is not, please set it to SSL and try again.
If that does not work then change the outgoing port to
and change the value circled in the picture to
does that work?
If that does not work then close Outlook
open a command prompt by going to START > ALL PROGRAMS > ACCESSORIES > COMMAND PROMPT
this will open a black command prompt window. Type
telnet smtp.cox.net 587
and hit enter
does it say something like
220 blah blah blah ESMTP server ready?
If so, type
If none of this fixes your problem but you were able to get that 220 message in the command prompt window then that means the problem is probably with your Outlook install and we can start looking at the Add-ins installed in your Outlook and/or try to repair it.
Posted 29 March 2012 - 12:03 AM
Posted 19 March 2013 - 12:34 PM
Hi Guys, I am also praying you can help. I have a very similar problem as Judi (last person you helped), however your suggestions have not helped me.
My setup: Windows 7 Home Premium
Using a pop3 mail account. Have been through the suggestions you have made and still no look. Again it happens on attachment emails only.
Things I have done so far
Disabled antivirus, firewall etc.
Tried changing the port number to 587 and encryption to SSL and back to none.
Changed server timeout to 2 mins
Sorry not tried telnet as it would not work (program not recognised)
Spoke to my ISP who say it should work.
Tried using the same connection details using Windows Mail and it works fine.
Can you help?
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