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Pause or suspend mail delivery

Hello guys,

if one would like to do some maintenance on internal mail system, exchange for example, it is a good idea to pause the mail flow. Especially if it would be the case if a snapshot of the server has to be restored.

According to

the following procedure could help:

1. In Webadmin change the IP address of internal mail server object to a fake one (from 192.168.1.1 to 192.168.1.111). All incoming messages after that went to spool.

2. Change back the IP address to the original one, selected all messages from the spool and choosed Retry action. All successfully delivered.

Recipient validation is done via AD is presumed.

Anyone got a better solution? Or is everyone using that procedure?

Best

Alex

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Louis-M over 5 years ago

Suppose that would work. We use exchange NLB and a backup MX to another CAS
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DouglasFoster over 5 years ago

Another option:

Assuming that UTM is your only MX address and that the SMTP proxy is in standard mode, then if you disable SMTP proxy, the mail will be queued at the sender instead of at the UTM.

Your approach is probably better because you know that nothing was lost during the maintenance period.
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