Exchange 2010


We have exchange 2010 install in a company, and we are using cloud spam filtering service, which scans email for spam and virus and then delivers to exchange, its also stores the email in event of exchange server is down

We want to stop receiving email on night and held in some where so the emails can be release in the morning for all the users in the exchange

we want users to have access the to mailbox at night but not to receive any new emails, they can have them in the morning only

can anyone suggest how to get over this?
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Andy MIT Systems ManagerCommented:
Easiest way would be to close port 25 on the exchange server. Users can still access the mailboxes but the spam filtering agent won't be able to send the emails to the exchange server, thus it will hold them accordingly until port 25 becomes available again.

(If the spam filtering uses a different port for frowarding emails on, i.e. 26 just close and re-open that one accordingly)
Simon Butler (Sembee)ConsultantCommented:
The simple way to do this is to schedule the MS Exchange Transport service to stop and then another task to restart it. No fiddling with firewall settings.


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tran_2012Author Commented:
Hi Simon

If the MS Exchange Transport Service is STOP then we can view email and send email but they all are held in queue until the Transport Service will START again, is that correct?
also the emails from OUTSIDE WORLD will get queued up in cloud.

If above is correct the your suggestion is perfect
Simon Butler (Sembee)ConsultantCommented:
The emails wouldn't be held in any queues internally because there is no queue. Transport isn't running.
The emails would stay on the cloud and internally they would stay on the client.

Thinking about it, rather than stopping the service, I think I would pause it instead.
That would allow any messages in the queue to be delivered, but no new messages to add to the queue. If a user had send an email 10 minutes before your cut off time, but the recipient server was down for a few minutes, the message would still be delivered.

Andy MIT Systems ManagerCommented:
Although the Transport Service is a feasible option the only thing to be careful with is if any updates are applied or the server is rebooted (for any reason) the service will auto-restart and email will start to flow again.
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