February 2016

Date: Thursday, February 18, 2016 (09:00-15:00)

Who is affected:
CS email users who attempt to interact with the Proofpoint spam filtering
system

What is happening:
We will be updating the Proofpoint spam filtering software on our mail
servers.

While no email outage is expected, it is possible that you may receive some
extra spam during the upgrade as the filters go offline for updates. You
may also find that you are unable to interact with the Proofpoint systems
during this time to perform actions such as releasing quarantined messages.
All mail sending, delivery, and reading mechanisms are expected to remain
operational.

Note that the maintenance window does not start until 09:00, so as to
provide some time after the 08:00 digests are sent out during which you may
release messages from the morning digest.

Why is it happening:
This is a necessary part of the regular maintenance of our systems.

We will post updates to the status page: http://www.csstaff.org
as necessary.

If this downtime will cause you undue hardship, please contact
csstaff@cs.princeton.edu immediately, so we can discuss options to reduce
any negative impact. Your patience is appreciated.
Sincerely,
CS Staff
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