![Setup an SMTP open relay between an onsite Windows Server and Office 365 - DailySysAdmin | For all things IT! Setup an SMTP open relay between an onsite Windows Server and Office 365 - DailySysAdmin | For all things IT!](https://i2.wp.com/dailysysadmin.com////wp-content/uploads/2017/11/Setup-an-Open-Relay-From-an-Onsite-Server-to-Office-365-3.png?resize=525%2C376&ssl=1)
Setup an SMTP open relay between an onsite Windows Server and Office 365 - DailySysAdmin | For all things IT!
![Exchange Server 2016 Architecture - IT World | Technology Site | Exchange | system | office 365 | vmware | veeam | azure | Windows Server | Exchange Server 2016 Architecture IT Exchange Server 2016 Architecture - IT World | Technology Site | Exchange | system | office 365 | vmware | veeam | azure | Windows Server | Exchange Server 2016 Architecture IT](http://yshvili.com/wp-content/uploads/2015/05/blogs.technet.com_cfs-file.ashx___key_communityserver-blogs-components-weblogfiles_00-00-00-31-06-metablogapi_e16_5F00_6B3F2628.png)
Exchange Server 2016 Architecture - IT World | Technology Site | Exchange | system | office 365 | vmware | veeam | azure | Windows Server | Exchange Server 2016 Architecture IT
![Setup an SMTP open relay between an onsite Windows Server and Office 365 - DailySysAdmin | For all things IT! Setup an SMTP open relay between an onsite Windows Server and Office 365 - DailySysAdmin | For all things IT!](https://i1.wp.com/dailysysadmin.com////wp-content/uploads/2017/11/Setup-an-Open-Relay-From-an-Onsite-Server-to-Office-365.png?resize=525%2C341&ssl=1)