Forum Discussion
send on behalf, not using primarysmtpaddress in FROM
we have some o365 groups with primarysmtp mailto:xyz@group.domain.com, when a mail is sent on behalf of that group, for example by teams, the primary smtp domain of the group is not used, instead mai...
You cannot send outgoing messages from Teams, so I'm assuming you are talking about some system-generated ones? In that case, best open a support case, as it's probably something Microsoft needs to address on the backend/in code.
I have came across this issue. This setting is in Teams and the email address used by sender is the MS Team unique id.
This could not be changed.