When you face large Office 365 implementations you might need to add many domains, going through the wizard will take up much time. Recently I had to work through an extensive list of domains as well, so I created a quick few lines of PowerShell that helped me solve this in seconds instead of hours.Using PowerShell and an input file I added the domains and additional to that got a list of all DNS txt records that were needed to be created. Here is the PowerShell script: here is the PowerShell script ......
Recently I designed and implemented a large Office 365 environment, part of it was a Hybrid Exchange 2013 server that should also serve as a central SMTP relay server to 365 and the rest of the world.Since we didn't want to control a huge list of authorized IP addresses and of course adding complete IP subnets is a bad idea, we chose to use SMTP authentication as our main solution for supporting Mail relaying. Every office location was assigned a separate account only for this purpose and the credentials ......