SMTP AUTH with Basic auth in Exchange Online: new timeline
Microsoft is moving the end of Basic authentication for SMTP AUTH. What changes at the end of 2026 and how to prepare your printers and apps now.
Exchange Online
Blog posts on Exchange Online: mailboxes, sending from Outlook and the sign-in methods for mail. Guides and news for Microsoft 365 administrators.
Send email from an alias address in Outlook
Turn on sending from aliases in Exchange Online, add an alias and choose it as the sender in Outlook on the web. Plus addressing is covered too.