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Office 365 External email Forwarding

How to Enable External Email Forwarding in Microsoft 365

If one of your Office 365 mailboxes has been configured with external forwarding you may encounter this error message when trying to send an email: Remote Server returned ‘550 5.7.520 Access denied, Your organization does not allow external forwarding. Please contact your administrator for further assistance. AS(7555)’ 1. Go to Threat Management, select Policy and Anti-Spam (https://protection.office.com/antispam) […]

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Shared mailbox emails were not saved in the Sent Items folder

Shared mailbox emails were not saved in the Sent Items folder

Issue Shared mailbox emails were not saved in the Shared mailbox Sent Items folder but in the user’s personal Sent Items folder in Outlook.   Solution We can follow one of the three methods to resolve this issue. Modifying the registry key on each computer where the shared mailbox profile is configured. Using Set-MailboxSentItemsConfiguration PowerShell

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OWA or ECP stop working

OWA or ECP stop working after installing Exchange Server security update Release Date:  March 4, 2021  Symptoms After you install a security update on a server that’s running Exchange, either Outlook on the web (OWA) or Exchange Control Panel (ECP), or both these applications stop working on the server. OWA displays the following error message:

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