We performed a comparison between KerioConnect and Zarafa based on real PeerSpot user reviews.
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KerioConnect is ranked 8th in Email Applications with 7 reviews while Zarafa is ranked 16th in Email Applications. KerioConnect is rated 6.2, while Zarafa is rated 8.0. The top reviewer of KerioConnect writes "Lightweight, simple, and robust; easy to maintain and doesn't require a lot of system resources to run". On the other hand, the top reviewer of Zarafa writes "Our customers are able to use this groupware solution to connect to Active Directory and OpenLDAP, although Postgres support would be an improvement". KerioConnect is most compared with Microsoft Exchange, Zimbra Collaboration, IceWarp, Microsoft Exchange Online and Google Workspace, whereas Zarafa is most compared with Zimbra Collaboration.
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