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Set up SPF and DKIM for Postfix on Ubuntu
In this post I want to show how to set up the SPF (Sender Policy Framework) and DomainKeys Identified Mail (DKIM)...
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...
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...
Setup Postfix Mailserver with Dovecot and MySQL on Ubuntu 18.04.4 LTS Step by Step
Because of changing my hosting provider for my virtual machine and domains, I had to setup my postfix mailserver on...