Limit local users to send/recv mail from local mailboxes only
Question asked by Elbert Cook - August 25, 2015 at 1:12 PM
We have SmarterMail 14.x
Can we limit users, or create a domain where?
The user/users can only send/recv mail from/to local mailboxes defined on the local SmarterMail server?
We wish to have email accounts on the plant production floor where the workers can email their department supervisor or plant manager, but not be able to email outside the building or receive email "Joke of the Day" blast from external sources.
The users will have terminal server accounts and use Outlook 2010.

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Robert Emmett Replied
Employee Post
If you are going to block all incoming and outgoing messages except for internal use only, as a System Administrator you can stop the SMTP service under Manage | Services.  If you are only wanting to prevent incoming external messages ("Joke of the Day", etc.) and outgoing external messages for certain domains, then as a Domain Admin, edit the user(s) that you want to limit, go to the Service Access tab, and deselect "Enable incoming SMTP access" and "Enable outgoing SMTP access".  The user(s) can still receive and send mail to local domains, but external senders will receive a 550 no such user and the user(s) will receive a bounce with 550 outgoing SMTP is not permitted.
You can also disable those two settings under Domain Settings | Advanced Settings | Default User Settings and then propagate those two settings to all domain users with the User Propagation option.
I hope this helps.
Robert Emmett
Software Developer
SmarterTools Inc.
(877) 357-6278
This is another one of those places where outgoing content filtering would be a good thing to have.

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