Support : Tenant Migration Skip to main content Tenant Migration Home Knowledge base Login Hi, how can we help you? All Articles Recent Searches Clear all No recent searches Popular Articles Articles View all Topics View all Tickets View all Sorry! nothing found for Browse articles Explore How-To's and learn best practices from our knowledge base Knowledge base View all articles Tenant Migration MX Backup Most popular articles View all articles Office 365 Tenant Migration Modified on Thu, 3 Jul, 2025 at 3:05 PM Length of Time Email is Kept in the MX Backup Modified on Tue, 18 Dec, 2018 at 8:29 PM Greylisting Modified on Tue, 18 Dec, 2018 at 9:58 PM Is the Backup MX service filtering my email for Spam and Viruses? Modified on Tue, 18 Dec, 2018 at 9:30 PM Helpdesk Software by Freshdesk Cookie policy Why we love Cookies We use cookies to try and give you a better experience in Freshdesk. You can learn more about what kind of cookies we use, why, and how from our Privacy policy. If you hate cookies, or are just on a diet, you can disable them altogether too. Just note that the Freshdesk service is pretty big on some cookies (we love the choco-chip ones), and some portions of Freshdesk may not work properly if you disable cookies. We’ll also assume you agree to the way we use cookies and are ok with it as described in our Privacy policy, unless you choose to disable them altogether through your browser.