Shared Mail Box Sent Itens fail

[Walter Henrique Ferreira Santos]

Hello,

I'm configuring a shared mail box with permission to send on behalf of, however, the email is not being sent from Outlook and the message is not being saved on the sent items  from the shared mail box. Why?

My scenario is: Exchange Online (Only) + Outlook 2016 ProPlus 

Help me friends,

Tks

[#2]

What do you mean by "the email is not being sent from Outlook"? As for copying messages sent as/sent on behalf of shared mailboxes, this can be configured via PowerShell and I believe is the default option now. Just in case, here's the cmdlet:

Set-Mailbox shared -MessageCopyForSendOnBehalfEnabled $true -MessageCopyForSentAsEnabled $true

[#3]

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@Vasil Michev wrote:

What do you mean by "the email is not being sent from Outlook"?

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I mean that by OWA is working correctly, however, by Outlook appears error.

[#4]

For Outlook, make sure you select the shared mailbox address directly from the GAL, dont use any stored/autocomplete entry.