Recent DiscussionsMost RecentNewest TopicsMost LikesSolutionsTagged:TagRe: External Email Warning Banner for emails Outside of Office Tenancy SecurityAnalyst I'm curious. Why can't you use DMARC? I find it hard to imagine any reason why it can't be implemented. Fundamentally, it's going to increase the chances of your legitimate email being successfully delivered AND prevent illegitimate spoofed email from being delivered.
