Recent DiscussionsMost RecentNewest TopicsMost LikesSolutionsTagged:TagRe: Some On Premise mailboxes are provided with wrong external email address in Office 365 PeterRisingHello the problem is when the on-premise user is sync to cloud it gets the wrong external smtp address although the upn of the user is correct with the example@doamin.com Re: Some On Premise mailboxes are provided with wrong external email address in Office 365 AtanasMI'm with the Sam issue , did you get the solution ?