Microsoft automatically enables security defaults in new Microsoft 365 tenants to protect you from phishing and other identity-related attacks. What if you want to use basic authentication and you need to turn off security defaults in Office 365? Sometimes you…
How to configure DMARC for Office 365? We have already configured SPF and DKIM, and we like to set up DMARC for Office 365. DMARC is excellent for protecting the domain against abuse by phishers and spammers. In this article,…
After you migrate the mailboxes to Microsoft 365/Office 365 and all the SMTP relay goes through Office 365, you want to decommission all the Exchange Servers on-premises. Now, even if that would be possible and you can do that, it's…
When all the mailboxes are in Exchange Online, and all the SMTP relay goes directly from the devices and applications to Office 365, we can remove the Exchange Hybrid Configuration. After that, keep only one Exchange Server for management purposes.…
Are you following the course Exchange Hybrid? If you are, you do know that we have to design and plan the Exchange Hybrid environment. After that, we can create a Microsoft 365 tenant and run the Exchange Hybrid Wizard to…
Errors can show up when you want to export results from Content Search in Microsoft 365 compliance center. An example is when you want to export a mailbox to PST. It shows an error because you're not assigned the Export…
Adding an alias to a mailbox shows the error: Error executing request. An Azure Active Directory call was made to keep object in sync between Azure Active Directory and Exchange Online. However, it failed. Detailed error message: Unable to update…
How to change default mailbox language for a single user or multiple users? There are users in the organization that have a different mailbox language, and they want to change that. You can send them instructions explaining how to set…
Are you following the course Exchange Hybrid? You know that the Exchange Hybrid firewall ports are required before going further. After that, we can run the Exchange Hybrid Wizard and start migrating mailboxes, sending, and receiving between on-premises and Office…
Office 365 gives you a free SMTP relay which is excellent for sending emails to the outside world. When you have a domain in the cloud, you can configure SMTP relay with Office 365. This can be an Exchange Hybrid…