How to reject Emails in Office 365 they fail DMARC
EASYDMARC had an interesting blog post about DMARC handling with Microsoft 365. DMARC and Microsoft : What is Happening?https://easydmarc.com/blog/dmarc-and-microsoft/ You…
E-Mail, Exchange, General, Microsoft 365 (Office 365)
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…
Enable TLS for Postfix on Ubuntu
Regarding the Postfix documentation, TLS support is turned off by default, so you can start using Postfix as soon as…