Outlook changes the senders email address

Question

Outlook changes the senders email address

Ian Morris 1

I am currently using the WIndows 10 Outlook app and I have two accounts configured (one office365 and one not). One of them has a number of aliases associated with the account which I use to prevent the mail account name being exposed, so any spam hits an account alias (which I can delete) rather than the main account name itself (which I cannot delete).

When I send an email, I carefully select the alias from which I want to send the email but when I press "send" I notice outlook puts "sent on behalf of" in the email and changes the reply address to the email address I do not want exposed!! I do not want it to do this.

How do I just send and email from an Alias, so that the recipient replies to the Alias and not the main account. The particular account to which I am referring is not using Exchange Server / Office 365.

Thanks

Faery Fu-MSFT 19,751 Reputation points Moderator

2021-12-13T07:28:10.677+00:00

Hi @Ian Morris ,
In order to further research this case, please provide relevant information about the following questions:
What's the type of the particular account? Is it a POP or IMAP account?
And will the issue occur when you test on the web mail?
Ian Morris 1 Reputation point

2021-12-13T15:05:37.933+00:00

@Faery Fu-MSFT

Well I am using an IMAP account but am sending the email so it will be using SMTP and there is no web mail on the particular account I mainly use. I am using a secure email server that does not provide https access.

The email isnt being changed by the email server but my the Outlook app, if I use another email client such as Mozilla's Thunderbird it works fine.
Victor Ivanidze 101 Reputation points

2022-02-04T08:34:00.32+00:00

Try to use this tool: SetAccount.

1 answer

Your answer

Faery Fu-MSFT 19,751 Reputation points Moderator

2021-12-13T07:28:10.677+00:00

Hi @Ian Morris ,
In order to further research this case, please provide relevant information about the following questions:
What's the type of the particular account? Is it a POP or IMAP account?
And will the issue occur when you test on the web mail?
Ian Morris 1 Reputation point

2021-12-13T15:05:37.933+00:00

@Faery Fu-MSFT

Well I am using an IMAP account but am sending the email so it will be using SMTP and there is no web mail on the particular account I mainly use. I am using a secure email server that does not provide https access.

The email isnt being changed by the email server but my the Outlook app, if I use another email client such as Mozilla's Thunderbird it works fine.
Victor Ivanidze 101 Reputation points

2022-02-04T08:34:00.32+00:00

Try to use this tool: SetAccount.

Answer 1

Faery Fu-MSFT 19,751 Moderator

Hi @Ian Morris ,
Thanks for your reply.
According to your description, since it is an IMAP account, I can't perform a test to reproduce your scenario.
But based on my search, you can refer to the solution of Outlook account:

Add the alisas as another account in the Outlook profile.
To do this via File > Info > Add Account
Here is an article for your reference.

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Faery Fu-MSFT 19,751 Reputation points Moderator

2021-12-17T05:19:10.493+00:00

Hi @Ian Morris ,
Is there any update on this thread? If the issue has been resolved, please mark the helpful replies as answers, this will make answer searching in the forum easier and be beneficial to other community members as well. Thanks for your understanding.

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Outlook changes the senders email address

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