Why is Outlook sending email using the wrong account?

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Thanks Leo. Saved me some time from having to rack my brains on that one.
It is weird because I do not remember changing my settings for my email account.
My guess is that Outlook encountered problems with the SMTP server and switched the authentication mode to "Logon to server before sending mail". Can this ever happen?
If yes, that goes unnoticed and then results in the scenario described in your answer.

Checked that and my settings were OK! Any other ideas? Default account is Exchange based, and they all get sent from there.....

Have you found a way to force Outlook to always use only once account for sending. I receive from two but I can never send via one of them. Occasionally an e-mail gets stuck in the OUTLOOK BRAIN and the machine keeps trying to send it even though it is not in the outbox. If I create a new profile and transfer everything it fixes it until I try to send a few e-mails via the Cox business e-mail server which will not respond unless I am coming through teh Cox internet connection.

Now here is another challenge:
I am using 2 Email accounts- one setup on an exchange server the other an external pop3.
What I could do in office 2000 I do not seem to be able to do on the outlook 2003.
I want to have all Emails to recipients in the exchange server sent through the server and all other Emails sent through the default pop3 account.
Any idea whether this is possible?
Thanks, Michael

My situation is even weirder, if I send an e-mail to a friend who has a '@mac.com' address then the send address is always the default address even when I specifically tell it use another address, but to another address it shows the sender address correctly! Your thoughts would be greatly appreciated. Thank you.

The university server where my primary e-mail account resides has frequent glitches that tend to resolve within a few minutes. When they happen, I simply resend the Outlook messages a few minutes later. I recently added a second e-mail account (that came from my ISP) to my Outlook. I NEVER want to send e-mail from that account, only receive. However, when the primary university account glitches, Outlook then sends the messages out from the ISP account. I tried to delete the outgoing mail server information on that account, but I then cannot save the settings. How can I force Outlook to never send mail from the ISP server?

Set the *outgoing* information for that alternate account to be the same as for your primary account. You may need to hit advanced options and configure the username and password for sending.

Thanks Leo, but I still not yet understand why this problem happened recent days that which is I'd NEVER have same problem at before?

fyi, I have a number of POP3/IMAP accounts for each different purpose (works, jobs, private, etc.) in one PC. Therefore I always send emails use specific account for different purpose. But now, I can *NOT* either send, reply or forward with this way.

Dou you have the clues? Thanks in advance.

I also have started experiencing this problem. I have 3 addresses of which 1 is a hotmail account. All my email was sent from a single account which is not the hotmail account. I then upgraded from dialup to broadband, and since then I have found this problem where all email is sent via the hotmail account. The only changes I had to make was telling the accounts that I am no longer connected through dialup, but through the LAN.
Selecting the appropriate account before sending, or even changing the return address does not solve the problem. Any ideas?

I want to send a mail with same subject and same topic to may.
please give me a idea for it.

fot ex.
I have 200 mail address
I want to send a mail tamplet to all of

warm regard
akbar ali

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