email flow sending from domain query

Ajit Terdalkar 96 Reputation points


Requirement :
We have a pc which is logging in to
The email address of the mailbox is test1@keyman .com
Requirement : The email should be sent from
This is not there in accepted domain in the environment of
Both the domains reside in different environment.

We can check to add both these mailboxes in same outlook profile however how the emails sent from will be sent as

Thanks and Regards,

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
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  1. Andy David - MVP 141.3K Reputation points MVP

    This is not possible if is not an accepted domain in your org.

    Generally, The only way to send as another domain like that is to send the messages anonymously and essentially spoof that domain. Outlook /OWA "Exchange" clients do not allow that.

    Using POP or IMAP - if your SMTP settings allowed it, it may work as well, but since you are spoofing the message it may fail authentication checks on the recipient side and not be delivered regardless.

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  2. KyleXu-MSFT 26,206 Reputation points

    @Ajit Terdalkar

    If you want to send emails from one email address, you need to set this email address as "Reply Address" (Each mailbox only could have one reply address, you also need to add that domain as accepted domain on your Exchange server).

    Both the domains reside in different environments.

    Based on your description, these two domains are real domains. Why not configure two mailboxes into one Outlook profile?

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