Forum Discussion
Ian_Culliver
Jul 25, 2019Copper Contributor
Exchange Online Mail Enabled Users redirecting to eternal SMTP
Hi all, I have a client that has been using Ex2010 and has used mail contacts object to effectively build a reverse DL. They have say 30 Unique contacts with a proxy address inside their Org, but us...
- Jul 25, 2019
Exchange Online does not enforce uniqueness of the ExternalEmailAddress property, so you should have no trouble doing this:
[10:23:47]# Get-MailUser MU* | ft Name,Primary*,Externa*Name PrimarySmtpAddress ExternalEmailAddress
---- ------------------ --------------------
MU1 MU1@michev.info SMTP:external@domain.com
MU2 MU2@michev.info SMTP:external@domain.comJust make sure you create them with different PrimarySMTPaddresses (use the relevant parameter for new-mailuser).
VasilMichev
Jul 25, 2019MVP
Exchange Online does not enforce uniqueness of the ExternalEmailAddress property, so you should have no trouble doing this:
[10:23:47]# Get-MailUser MU* | ft Name,Primary*,Externa*
Name PrimarySmtpAddress ExternalEmailAddress
---- ------------------ --------------------
MU1 MU1@michev.info SMTP:external@domain.com
MU2 MU2@michev.info SMTP:external@domain.com
---- ------------------ --------------------
MU1 MU1@michev.info SMTP:external@domain.com
MU2 MU2@michev.info SMTP:external@domain.com
Just make sure you create them with different PrimarySMTPaddresses (use the relevant parameter for new-mailuser).
- Ian_CulliverJul 26, 2019Copper Contributor
VasilMichev Thanks you so much Vasil, This works perfectly well as long as you stay away from the GUI and force the PrimarySMTP as you said. I was missing that step.