Performing the cut over of client access namespaces during a migration to Exchange Server 2016.
Emails sent using web forms on a website may not be received in the mailbox of the recipient due to a configuration or filtering issue.
I recently encountered a mail flow problem between two of my test lab environments that was being caused by the DNS configuration on the receiving server’s network interface.
Learn how Sender Policy Framework (SPF) records work to prevent email spoofing, and how you can implement the correct SPF record for your domain.
How to use hosts files on client computers for Exchange Server testing and troubleshooting scenarios.
How to use the Resolve-DnsName PowerShell cmdlet to query MX records for multiple domain names at once.
How to manually configure the DNS servers used by Exchange Server 2013 for external lookups.
How to plan, test and implement changes to MX records and inbound email traffic routes in an Exchange Server environment.
In this article I explain just what an MX record is and how they play a role in a working email system.
You may encounter an issue with servers running both the DNS and IAS services that have installed update MS08-037 (Vulnerabilities in DNS could allow spoofing – 953230). The IAS services will fail to start and any authentication that relies on IAS (such as VPNs) will fail. When connecting to the IAS server with the IAS […]