![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)
Setup an SMTP open relay between an onsite Windows Server and Office 365 - DailySysAdmin | For all things IT!
![Configure authenticated SMTP settings for POP3 and IMAP4 clients in Exchange Server | Microsoft Docs Configure authenticated SMTP settings for POP3 and IMAP4 clients in Exchange Server | Microsoft Docs](https://docs.microsoft.com/en-us/exchange/exchangeserver/media/8a379ed6-18b4-4393-934f-e7e5eb5a2586.png?view=exchserver-2019)
Configure authenticated SMTP settings for POP3 and IMAP4 clients in Exchange Server | Microsoft Docs
![How to set up a multifunction device or application to send email using Microsoft 365 or Office 365 | Microsoft Docs How to set up a multifunction device or application to send email using Microsoft 365 or Office 365 | Microsoft Docs](https://docs.microsoft.com/en-us/exchange/exchangeonline/media/fb664a76-c823-4926-bb6a-46e13bf79952.png)
How to set up a multifunction device or application to send email using Microsoft 365 or Office 365 | Microsoft Docs
![How to set up a multifunction device or application to send email using Microsoft 365 or Office 365 | Microsoft Docs How to set up a multifunction device or application to send email using Microsoft 365 or Office 365 | Microsoft Docs](https://docs.microsoft.com/en-us/exchange/exchangeonline/media/258cb8b1-752d-47b8-91e9-a0176dfcfad4.png)