On Saturday, 2017-07-08, 02:37:22, Aleksey Midenkov wrote: > By what purpose there is KMail dependence on other services? The purpose if the dependency is to make KMail work. I.e. in order for KMail to display or send emails it needs to access emails. Access to data such as emails, contacts, calendar, etc., is shared between applications through the Akonadi service (PIM data, personal information management). E.g. for an email program like KMail it doen't matter whether an email folder is stored locally or on an IMAP server, it just requests the folder's contents from the service. Such all email programs can access the same data cooperatively. Same obviously applies for addressbooks, calendars, etc. [1] In short it is a system allowing PIM data to be share between applications, without requiring users to run their own groupware server like Kolab or Exchange. Similar approaches are used by GNOME [2] and mobile platforms [3]. > Can it work standalone? For a standalone data silo approach you can, for email, have a look at Thunderbird, Claws and many others. Cheers, Kevin [1] Access to PIM data is not necessarily just interesting for PIM user programs. An invoicing application could access the addressbook, create and send an email with the invoice and add a calendar entry with a reminder to check for payment. It allows specialized programs to only work on a subset of data. E.g. https://zanshin.kde.org/ is specialized on handling TODOs but a user still has access to those TODOs through a traditional calendaring application, e.g. KOrganizer. [2] Evolution Data Server, EDS [3] Mobile platforms such as Android, iOS, etc., also handle PIM accounts centrally via the platform's PIM service. Different apps, depending on the user's choice on access rights, then access that data independent of which account it came from. -- Kevin Krammer, KDE developer, xdg-utils developer KDE user support, developer mentoring
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