This bug was fixed in the package evolution-data-server - 3.12.11-0ubuntu1.15.04.1
--------------- evolution-data-server (3.12.11-0ubuntu1.15.04.1) vivid; urgency=medium * Add patch for GNOME bug #749292 (SMTP connection lost while reading message data) (LP: #1442756) -- Iain Lane <iain.l...@canonical.com> Thu, 17 Sep 2015 11:06:16 +0100 ** Changed in: evolution-data-server (Ubuntu Vivid) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to evolution-data-server in Ubuntu. https://bugs.launchpad.net/bugs/1442756 Title: Camel Failure on reduced TCP windows - GNOME BUG bae0c64 Status in evolution-data-server package in Ubuntu: Fix Released Status in evolution-data-server source package in Vivid: Fix Released Bug description: [ Description ] Sometimes evolution can fail to send messages while appearing to do so successfully. This is likely to happen with emails with attachments. [ QA ] This will be easiest if you already experience the bug. Try to send many mails with attachments. Make sure they all get sent all the time. [ Development fix ] This patch is in ≥ wily [ Regression potential ] The function now returns -1 in some situations. Hopefully all callers are OK with that. [ Original description ] After digging, identified same in Gnome evolution data server bug bae0c64 which has had patch produced - https://git.gnome.org/browse /evolution-data-server/commit/?id=bae0c64 Originally identified as Evolution not sending emails with attachments. There was no error to screen, message was stored in SENT folder. Mail was never sent. Mail server shows receipt of data error on transmission. Error logging to console produces: (evolution:14998): camel-WARNING **: CamelStreamFilter::write() reported failure without setting its GError (evolution:14998): camel-WARNING **: CamelStreamFilter::write() reported failure without setting its GError (evolution:14998): camel-WARNING **: CamelStreamFilter::write() reported failure without setting its GError (evolution:14998): camel-WARNING **: CamelDataWrapper::write_to_stream_sync() reported failure without setting its GError (evolution:14998): camel-WARNING **: CamelDataWrapper::decode_to_stream_sync() reported failure without setting its GError (evolution:14998): camel-WARNING **: CamelMimePart::write_to_stream_sync() reported failure without setting its GError (evolution:14998): camel-WARNING **: CamelMultipart::write_to_stream_sync() reported failure without setting its GError (evolution:14998): camel-WARNING **: CamelMimeMessage::write_to_stream_sync() reported failure without setting its GError (evolution:14998): camel-WARNING **: CamelSmtpTransport::send_to_sync() reported failure without setting its GError Message is stored in sent folder, Mail server reports error on receive of data. Evolution produces no error. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/evolution-data-server/+bug/1442756/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp