Just to let you know that next Sunday, 22nd November during the afternoon we will be rebooting the machines that handle email.
This will allow us to boot with an updated kernel which has a number of security fixes we regard as needed.
The outage should last less than 10 minutes for each machine, and we will only reboot one machine at a time to ensure that incoming email is not blocked. Doing this means no inbound email will be lost, only that for the duration of the reboot your will not be able to collect email.
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