Setup Mail Relay through O365
Settings for SMTP client submission
Enter the following settings directly on the device or in the
application as their guide instructs (it might use different terminology
than this article). As long as your scenario meets the requirements
for SMTP client submission, the following settings will enable you to
send email from your device or application.
Device or Application setting
|
Value
|
Server/smart host
|
smtp.office365.com
|
Port
|
Port 587 (recommended) or port 25
|
TLS/ StartTLS
|
Enabled
|
Username/email address and password
|
Enter the sign in credentials of the hosted mailbox being used
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MORE DETAIL
https://support.office.com/en-us/article/How-to-set-up-a-multifunction-device-or-application-to-send-email-using-Office-365-69f58e99-c550-4274-ad18-c805d654b4c4?ui=en-US&rs=en-US&ad=US#option1
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