I know that the max on a E1 Office 365 plan is 500 recipients per message. We want to lower this to 10. I have powershell setup and working to connect to my account, however I cannot figure out the cmdlets to make this happen. I also cannot figure out where in the website portal area that allows this change to be made either.
Also how can I make it so that emails containing .exe or .zip attachments will automatically be blocked? I cannot find that as well.
All the documentation I found via google seems to be out dated.
This video shows how to quickly and easily deploy an email signature for all users in Office 365 and prevent it from being added to replies and forwards. (the resulting signature is applied on the server level in Exchange Online)
The email signat…
This video shows how to quickly and easily add an email signature for all users on Exchange 2016. The resulting signature is applied on a server level by Exchange Online.
The email signature template has been downloaded from: