Recent Blog ArticlesMost RecentMost LikesRe: Review an upcoming authentication change for Outlook add-ins Is there any way for Admins of O365 tenants to detect which add ins in our tenant will be affected? Re: Released: July 2021 Exchange Server Security Updates I hadn't seen this here already in the thread so I thought I'd toss this info out there if it saves someone else some time - we've applied the schema update (CU21) but are still CU20 and applying kb5...Re: Plus Addressing Now Available in Exchange Online Is sending as a proxy address still in the works?