When sending a 6.2MB message with attachments, KMail2 reported "Failed to transport message; connection to server lost." The email was sent to 4 recipients (1 "To:" address, 1 CC and 2 BCC). The message remained in the outbox folder until moved to Drafts. Despite the claimed failure, each recipient received 6 complete copies of the same 6.2MB email. Verified the failure by sending the same message from the drafts folder to myself - I received 2 copies. The same happened with other large emails >2MB (not sure exactly what the threshold is). All emails were successfully and correctly sent from Thunderbird.
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Dear Bug Submitter, This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information as soon as possible and set the bug status as REPORTED. Due to regular bug tracker maintenance, if the bug is still in NEEDSINFO status with no change in 30 days the bug will be closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging If you have already provided the requested information, please mark the bug as REPORTED so that the KDE team knows that the bug is ready to be confirmed. Thank you for helping us make KDE software even better for everyone!
This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!