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New Exchange Online Feature Supports Sending Email from Proxy Addresses
A new Exchange Online feature allows users to send email using any of the SMTP proxy addresses assigned to their mailbox. An Outlook update will make the task easier, but for now it’s reasonably stra...
Q&A: How to Send Email Using Proxy Addresses with Exchange Online
Exchange Online supports the ability to send email using any SMTP proxy address assigned to a mailbox. Following the announcement of the feature, users had many questions including what clients can be used. Here are some common questions and answers about the feature, including some PowerShell to report the set of proxy addresses assigned to user mailboxes.
https://office365itpros.com/2021/04/27/send-email-using-proxy-addresses-with-exchange-online/
Hello, any idea if the ms graph will support it as well anyhow soon?