Historically, Exchange has used a user’s primary SMTP address as the From address when sending messages. Other SMTP addresses assigned to a user (e.g., proxy addresses, also known as aliases) were ma...
Updated Oct 21, 2024
Version 11.0
Blog Post
I would like to provide a solution i got from the support, since i didnt find it on this thread.
Just follow these steps, to activate it within ur exchange admin center, without the need of using powershell:
[ENG, GER below]
1. Adding Aliases to User
- Microsoft 365 Admin Center > (Left menu) User > Active user > click on the active user you want create aliases from > Username and E-Mail > Add aliases > save
2. Activating sending-from-aliases
- Microsoft 365 Admin Center > (Left menu) Show All > scroll down to "Admin Center" area > open "Exchange" admin center
- Exchange Admin Center > (Left menu) Settings > Mail flow > (Area "General") activate "turn on sending from aliases"
- Changes should take effect within 25h
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[GER]
1. Einen neuen Alias hinzufügen
- Microsoft 365 Admin Center > (Linkes Menü) Benutzer > Aktive Benutzer > Auf den aktiven Nutzer, von dem Aliase erstellt werden sollen klicken > Benutzernamen und E-Mail verwalten > Aliase hinzufügen > Speichern
2. "E-Mail von Alias senden" aktivieren
- Microsoft 365 Admin Center > (Linkes Menü) Alle anzeigen > Runter scrollen in den Bereich "Admin Center" > "Exchange" Admin Center öffnen
- Exchange Admin Center > (Linkes Menü) Einstellungen > Nachrichtenfluss > (Im Bereich "Allgemein") "Senden von Aliasnamen aktivieren" aktivieren
- Die Änderung sollten innerhalb von 25 Stunden inkrafttreten