Did you set ldaps://
in “Accounts provider > Advanced settings”?
On ns6 was the same. On ns7 we cannot implement the same feature, but you could try one of the following solutions:
-
distribution list: define a mail alias and select a group as destination: when you save the group is immediately expanded to its members. It’s like you enter the members one by one.
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shared mailbox: create a shared mailbox and assign it to a group. Then create a mail alias and select the shared mailbox as destination: members of the group can see the shared mailbox from their IMAP clients.