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Category: Exchange Online

How to Unblock a User if they were blocked from sending emails in Microsoft 365

How to Unblock a User if they were blocked from sending emails Microsoft 365 Users in your organization might get blocked from sending emails in Microsoft 365 if they exceed one of the outbound sending limits or inbound spam policies. If a user is added to the restricted user list, they will receive the following…

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Exchange TIP: How to Migrate Mailbox from Exchange Online to Exchange OnPrem

Exchange TIP: How to Migrate Mailbox from Exchange Online to Exchange OnPrem In this quick post, I will go through a quick PowerShell I use to migrate a mailbox from Exchange Online back to Exchange Onprem. Let’s first start by connecting to Exchange Online PowerShell. Once connected run the following: Before we can run the…

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Callout External Senders in Outlook

What is External Sender Callouts? External Callouts is what some organisations use to inform their staff that an email is coming from outside of their environment. IT Admins has created transport rule like this one http://www.thatlazyadmin.com/how-to-prepend-office-365-email-subject-when-email-is-received-from-external-sender/ The transport rule approach has some limitations which has been listed by Microsoft based on feedback from customers. You…

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DataString.InvalidSmtpDomainName(Domain) when running the Office 365 hybrid Configuration Wizard.

DataString.InvalidSmtpDomainName(Domain) when running the Office 365 hybrid Configuration Wizard. In this post, I will show case how you can remove the following error when you tried to install the Office 365 Hybrid Configuration Wizard. This error typically indicates that you have an Exchange server in your environment that is Offline or has not been decommissioned…

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How to create a migration endpoint Exchange Online

How to create a migration endpoint Exchange Online In post we, will go through the steps to create a new migration endpoint for Exchange Online. To get started, connect to Office 365 Admin Portal then navigate to Exchange Online Admin Portal. From the Exchange admin centre, click on “Recipients”. From the “Recipients” menu select “migration”…

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Let users rest their Passwords in Office 365

Let users rest their Passwords in Office 365 Office 365 and Azure AD allows users to reset their own passwords, this reduces the calls to helpdesk for password resets. Once you enable this setting users will be able to navigate to https://passwordreset.microsoftonline.com/ and reset their own passwords. To get started Launch the Office 365 Admin…

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Disable anonymous calendar sharing in Office 365 Admin Center and PowerShell.

Disable anonymous calendar sharing in Office 365 Admin Center and PowerShell During this post, we will run down on how to disable anonymous calendar sharing in Office 365. By default, anonymous calendar sharing is enabled, as an Office 365 admin can you decide what kind of information your user share externally. With Anonymous calendar sharing…

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Configure Outbound Spam Notification Office 365 Exchange Online

Configure Outbound Spam Notification Office 365 Exchange Online Outbound spam filtering is always enabled by default when customers use the service to send outbound email. If an outbound email is determined to be spam, the service routes the message through a high risk delivery pool, this reduces the probability of the normal outbound-IP pool of…

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