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Description of problem: Evolution consistently displays a variety of error messages when an outlook.com IMAP account is check for new mail. These messages include: Failed to refresh folder "#######@outlook.com : INBOX". The reported error was "Error running STATUS: TLS connection closed unexpectedly". Error while performing operation. Error fetching folders: TLS connection closed unexpectedly Failed to refresh folder "#######@outlook.com : INBOX". The reported error was "Error performing NOOP: TLS connection closed unexpectedly". The account was created via Evolution's setup wizard and is correctly configured. Version-Release number of selected component (if applicable): Fedora 23, Gnome 3,18,2, Evolution 3.18.5.1 How reproducible: Rare for it *not* to happen. Steps to Reproduce: 1. Create outlook.com IMAP accout 2. Tell Evolution to check for new mail or wait for regular refresh Actual results: Error messages Expected results: No errors Additional info: This is not new behavior.
Thanks for a bug report. The "TLS connection closed unexpectedly" means that the server disconnected when it was not expected by the glib's gio library (respectively gnutls). Why it is so with the outlook.com server I do not know. The reason why this error isn't silently ignored and the operation which failed restarted is that the documentation for this error [1] says: G_TLS_ERROR_EOF - The TLS connection was closed without proper notice, which may indicate an attack. That the error can also mean it's an attack, thus I decided to not hide it. Weird that it's mainly shown with the outlook.com site, which I guess is an indication that the server does something oddly. I can add this error to the set of errors being ignored, for 3.20.1 of the evolution-data-server. [1] https://developer.gnome.org/gio/2.46/gio-TLS-Overview.html#G-TLS-ERROR-EOF:CAPS
I moved this upstream for better visibility. Please see [1] for any further updates. [1] https://bugzilla.gnome.org/show_bug.cgi?id=763670