Email Authentication by using DMARC, DKIM and SPF
In this post I want to show how you can prevent that your email domain is abused for email spoofing…
E-Mail, General, Microsoft 365 (Office 365), Postfix
Set up DomainKeys Identified Mail (DKIM) on Exchange on-premise
Out of the box on-premise Exchange Server doesn’t support DKIM signing. To deploy DKIM for your on-premises Exchange Servers you…
Set up Exchange on-premise to relay outbound Emails to the Internet via Exchange Online Protection (EOP)
If you had an Exchange Hybrid configuration, you can route also outbound email messages from your on-premise mailboxes through Exchange…
