Home » Kerio User Forums » Kerio Connect » Large data usage from Outlook 2011 (some mail clients are using a lot of 'net data)

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I have a client running Kerio Connect 8.5.1 with a number of users connecting via Outlook 2011 on OS X 10.10

A few users are churning through a lot of internet usage. One is using 8.5Gb in a week with a few others around 6Gb. They all have only one mail account with one calendar. The user with the 8.5Gb usage has a 30Gb Outlook identity. The others major users are 10-15Gb identities.

Most other users are less than 1Gb of usage.

Is this ordinary? Any ideas what problems might be causing the usage? Any ideas how to shrink it?

Pavel Špalek (Kerio)

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EWS protocol is based on XML, therefore it consumes quite a lot of data. The only related option in mailserver.cfg is in "Http" table, value "UseGzip". This causes server responses to be compressed. But it should be enabled by default (value 1).

Pavel Špalek
developer - Kerio Connect
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