Home » Kerio User Forums » Kerio Connect » Kerio And Thunderbird Add-on's Using Exchange Web Services?

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Does Kero support Exchange Web Services?

Has anyone gotten these to work with Kerio and Thunderbird?

Exchange Calendar and Tasks Add-on

ExQuilla for Microsoft Exchange

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Kerio Connect supports EWS only from Outlook 2011. These pluggins to ThunderBird might work however they may cause some problems with the Kerio Connect server due to them not being supported.

What I can suggest is, for your calendars try using 'Lightning' as this goes over CalDAV which is an open standard and a lot of ThunderBird users use this pluggin with Kerio and seems to work fine. For your mail connection in ThunderBird we recommend an IMAP connection to Kerio Connect.

All the best,

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I have been using ExQuilla:


It is the only thing I've found that will read/write Contacts.

The current version has Calendar disabled and has an option to use/disable Mail and Contacts.

The mail side strangely only shows headers (TB 17.0.5 / Kerio 8.1.0) . Viewing Source shows that it has downloaded the entire message, just doesn't display it.

I disable the Mail part as IMAP suits me. Lightning works perfectly with the Kerio Calendar. Having ExQuilla complete the task with Contacts is great.

Don't know how many use the Kerio/Thunderbird combination. It's a pity there isn't a "Kerio" add-on as there is for Zimbra, SoGo, Exchange, etc. (I'd happily pay for one BTW).

Another alternative is EmClient (http://www.emclient.com/) for Windows - it does CardDav/CalDav - nice program, yet Thunderbird is far more flexible/powerful IMHO.

[Updated on: Sat, 01 June 2013 07:23]


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That sounds promising.

What is the format of Microsoft Exchange URL you are using for Kerio Mail?

kind regards
Pavel Špalek (Kerio)

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It's the same as Exchange:



Pavel Špalek
developer - Kerio Connect
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