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Why is Outlook sending email using the wrong account?

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I have several different email accounts, and I have Outlook 2003 configured to handle all of them. One of them, of course, is the "default" account. But try as I might, when I send mail using that account in gets sent using one of the others. Why?

OK, that was me, this morning, asking the question. I was tearing my hair out trying to send an email to a members-only discussion list, and no matter that I explicitly told Outlook to use the account that I use on that list, it insisted on using one of the others. Silently, of course.

The answer surprised me.

Outlook 2003, and previous versions, can be configured to send and receive email using many different accounts on any number of mail servers. I have several accounts myself. In fact a friend was updating my information in her address book recently and told me that she had four separate email addresses for me. My response was "Only four?".

When you have multiple accounts configured in Outlook, the account that's used to send mail varies based on several things:

  • When you compose a new email, Outlook uses the email account that you've configured as your default.
  • When you reply or forward an email, Outlook uses the email account that the message was originally received on.
  • In either case, you can explicitly specify the account to use via the Accounts drop down item that appears next to the message's send button.

I did that later step repeatedly. In test email after test email, I explicitly told Outlook to use a specific account. Outlook apparently ignored my request, and used a different account anyway.

As it turns out Outlook will, under certain conditions, select a different outgoing email account if it has trouble sending on the designated account. Of course it does this silently.

My solution was to visit the configuration for the account I was having trouble with, and send a test email. It asked me for a password, which I knew it shouldn't have. In my case, the sending authorization configuration for this account had been mistakenly changed to "Log on to incoming mail server before sending mail". That's not how my mail server is configured. Changing the configuration to "Use the same settings as my incoming mail server" resolved the issue.

Needless to say it was not obvious, and very frustrating.

So the lesson here is simple: if Outlook suddenly starts sending using the wrong account, check your ability to send via the right account. There might be a problem there.

Related:

Article 9240 | Posted October 6, 2005

Recent Comments
58 Comments

when clicking on "new" for a new message or when replying, right underneath the send button in the email you are composing is an "account" button. click on it to change the deafult send from email on the fly without having to change the default email settings in outlook itself.

hope this helps

Posted by: help at February 14, 2008 12:02 PM

I'm having the exact same problem that you describe in the article. However, the fix did not actually apply in my case. I have some accounts that the right "From" account is used when I choose one in the Accounts drop down and a few that, no matter what I've tried, use a specific account that is NOT the one I am choosing.

HELP!

Posted by: CCG at March 4, 2008 4:19 PM

Okay, so riddle me this! I've read all the comments and they are all similar to my problem, however, I've found an interesting link to my problem, but not yet the solution. I use 4 different accounts on Outlook XP/2002. I have my default address that I use for most things. And I have it set to reply/forward with whatever account the original message was sent. Here's the weird part. If I type an email address into the To field (rather than picking it from my address book), the email works as it should, sending from the default account. However, if I choose the address from the address book (or type in the person's name so that Outlook automatically looks for the email address), Outlook will use another email account, despite me telling it to use the default. So, there is something screwy going on with Outlook upon accessing my address book (contact list). The even weirder part is that the sent messages show having been sent with the wrong account (at least when I open up the sent message - I have the From field on my list of items to see in the outbox, but that is blank!!), but if I log onto that account directly (gmail in this case) the messages never show up as being sent via that account. As far as I can tell, I have all the accounts in Outlook set up appropriately and all the right checkboxes selected (otherwise I would just fix them, right?). Any ideas???

Posted by: Layne at May 11, 2008 7:54 PM

Hi Leo,
I'm having the same problem with Outlook 2003, although I've isolated it to a specific situation. First, I have 4 email accounts through the same ISP, one of which is the default account. All 4 are set up identically (other than the email address, obviously), and all 4 pass the "test account settings" with no problems.

Here's what I've isolated: if I type the recipient's email address out completely (or use the Autocomplete to pick from recently used addresses), everything works fine. However, if I do an Address Book lookup, it will *not* use the default account, but one of the other three. Of course, if I pick the "unwanted" address from the "accounts" drop-down, it will pick a different address. If I pick any other account from the drop-down list, it tells me that it will be sent using that account, then promptly ignores it.

If I delete all accounts but two (and use the address book lookup), it will always pick the non-default account.

Another message board said this was fixed with Office SP 2. In fact, on my previous machine (running XP Pro SP 2), I had SP 2 installed and everything was fine. But when I copied my PST file to my new Vista Home Premium PC, installed Office 2003 from scratch and brought it up to date with Office SP 3, it's been broken.

I tried to install SP 2 afterwards, but of course it wouldn't let me, and you can't uninstall Service Packs in Office without doing a complete uninstall/reinstall. That's what I'm looking at now, unless you have any better ideas.

Sigh....

Posted by: Dale Leopold at May 13, 2008 8:43 AM

I have a related problem - also very frustrating. I am using Outlook 2003 and have 3 email accounts. I am tryinbg to set up an automatic signature for each one - the problem is it will only apply the signature on the default account and not on the others...can you help? Thx!

Posted by: Carol at July 9, 2008 9:14 AM

i keep getting a log in box coming up, i have not changed anything, i am suing streamnet web site and they are forwarding all my email to me know, but this keeps coming up

There was a problem logging onto your mail server. Your Password was rejected. Account: 'mail.#############, Server: 'mail.###########, Protocol: POP3, Server Response: '-ERR Authentication failed.', Port: 110, Secure(SSL): No, Server Error: 0x800CCC90, Error Number: 0x800CCC92

Posted by: mandy at September 18, 2008 12:22 PM

I have a similar issue with Outlook 2003, where, let's say for example, I receive an e-mail on my engineering business e-mail account. I hit 'reply' and Outlook is composing and sending on one of my personal accounts, or vica-versa, where I am responding to a personal e-mail on a personal account, and Outlook responds using the business account. It's very messy and really mixes things up. Plus there's some times when you're in a political debate with a bunch of folks with cc'd mailing lists, and you don't want your company e-mail in there, but Outlook will slip you up. 49 out of 50 times, I remember to manually set the sending account, but that 1 time in 50, I forget to check and it makes quite a mess of things.

How can we set up Outlook so it will reply using the e-mail account that the replied-to mail was sent to?

Posted by: Mark Weiss at September 29, 2008 12:55 AM

Using Outlook 2003, I have two of the accounts I have set up showing in my Folders List, I set up 5 accounts, how can I see them all? The two I see are hotmail and ATT but all 3 yahoo accounts are hidden somewhere.. and I am running YPops.

Posted by: K Lancaster at October 1, 2008 6:33 AM

Thanks Leo,
Frankly I think this is a bug. I had it in Office 2003, and now it appears in Office 2007 as well.
I have various POP accounts (Business/hobby) and they have exactly the same account settings. They all work.
In some cases a mail sent to my work account, when I create a reply, Outlook already selects the hobby account. It says in the draft "This message will be sent through ". So the error is made at the moment of reply, in my case it is not made while actually sending it.

Posted by: Pieter van Kampen at October 9, 2008 9:59 AM

Found it (for my problem at least)!
Here is how to reproduce:
create two pop accounts a@work.com and b@hobby.com. Both domains refer to the same email mail box. So both accounts in Outlook read from the same mail box. The first accounts wipes the box, so there are no more mails to read for the second. The reason to set it up this way, is that it allows me to send emails from either a@work.com or a@hobby.com.
Now for reasons not important here, I sometimes want to keep the messages in the pop box. It means both account read from it, with the result that I have the message twice in my inbox. Both messages appear to be identical, both are address to the same account (say a@work.com), but one is read by the work account and one by the hobby account. If I now reply the message that is ended up in my mailbox by the hobby account, Outlook puts in a@hobby.com instead of a@work.com, even though the messages was send to a@work.com.
The work around for this bug is to use Tools, Options, Mail Setup, press Send/Receive, select All Accounts, press Edit. Then remove the checkbox of "Receive mail items" of all but the first pop account. In this way, I never get more than one copy of the email, even when it is left on the server

Posted by: Pieter van Kampen at October 9, 2008 10:17 AM

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