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Sending email from alias

ESJ 41 Reputation points
2024-08-06T08:10:46.0866667+00:00

We have an Exchange 2019- Exchange Online Hybrid deployment. I have added an accepted domain [abc.com] and added the domain to O365 as well and our primary domain is [domain.com] . I created a shared mailbox, and added primary SMTP as [abc.com].

My id is [user@domain.com].

When I sent as abc.com , I am getting a permission related NDR. when I send the email as mailbox@domain.com to my personal email address, am getting the email from mailbox@abc.com , but internally am getting the email address from mailbox@domain.com.

Is this an expected behavior ?

Other than enabling “send from alias” , is there anything else I need to do to send emails on behalf of [abc.com].

Does “sendasalias” configuration matter , as the primary smtp is [abc.com].

The aim is that these users should be seeing [abc.com] on sent and received emails.

Thanks

Microsoft 365
Microsoft 365
Formerly Office 365, is a line of subscription services offered by Microsoft which adds to and includes the Microsoft Office product line.
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Microsoft Exchange Online
Microsoft Exchange Online Management
Microsoft Exchange Online Management
Microsoft Exchange Online: A Microsoft email and calendaring hosted service.Management: The act or process of organizing, handling, directing or controlling something.
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Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
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  1. Andy David - MVP 147.6K Reputation points MVP
    2024-08-06T10:50:58.05+00:00

    This will work is the mailbox is in 365:

    https://www.alitajran.com/send-from-alias/

    1 person found this answer helpful.
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