In this article, Jaap Wesselius deep dives into SMTP transport services and the default receive connectors within Exchange 2019.
PowerShell uses a concept called pipelining to combine two or more cmdlets to perform a cohesive task. The PowerShell pipeline combines singularly useful cmdlets together to process data. Used intelligently, the pipeline is a great way to process data through a series of steps to automate common administrative operations. Mastering the pipeline, or at least becoming comfortable with pipelining cmdlets, is an essential skill for anyone using PowerShell to manage Microsoft 365 tenants.
In a December 24 announcement, Microsoft says that the roll-out of DNSSEC and DANE support in Exchange Online will start in mid-January 2022. Because this is a big change for the Exchange Online infrastructure, Microsoft is using a phased deployment which won't complete until mid-May. Support for DNSSEC and DANE has been coming for a long time, but it's good that the extra security which these standards bring will be available to Exchange Online tenants.
This is the third article in a continuation of our weekly series celebrating the 10-year anniversary of Office 365. Microsoft MVP Nicolas Blank shares his experience as a Microsoft Certified Master for Exchange 2010, and how his world changed drastically over the past ten years as he followed Exchange into the Cloud.
Migrating inbound, outbound, and internal relay mail flow to Exchange Server 2016 during a migration project.
Internal mail flow for an Exchange Server environment can be broken due to a number of common mis-configurations.
How to correctly configure the TlsCertificateName on Exchange Server receive connectors to allow SMTP clients to securely authenticate without errors.
How to configure Exchange Server 2016 to provide SMTP relay services for devices and applications on your network.
How to test and troubleshoot SMTP connectivity issues for external senders to an Exchange Server environment.
A blocked sender in a Exchange Server mailbox's junk email configuration causes SMTP error 554 5.1.0 Sender Denied.
Tips and tools for reading email message headers and using message header information to diagnose email problems.
How to configure an Exchange Server 2013 receive connector to allow internal and external SMTP for applications and devices in your network.