Bug 425332

Summary: Backslash in usernames not working
Product: [Frameworks and Libraries] Akonadi Reporter: dev
Component: IMAP resourceAssignee: kdepim bugs <pim-bugs-null>
Status: REPORTED ---    
Severity: normal    
Priority: NOR    
Version First Reported In: unspecified   
Target Milestone: ---   
Platform: Kubuntu   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description dev 2020-08-14 06:29:57 UTC 
SUMMARY
For Office 365 you can access shared mailboxes using this pattern as user name for authentication: user@company.tdl\shared-mailbox@company.tdl. With the Backslash authentication doesn't work. It works in Thunderbird.

STEPS TO REPRODUCE
1. Create a new IMAP account
2. IMAP Server: outlook.office365.com, STARTTLS, PLAIN
3. Username: user@company.tdl\shared-mailbox@company.tdl

OBSERVED RESULT
* Authentication failes
* At some point in the logs I've seen that some "SASL" line wrote "user@company.tdl\\shared-mailbox@company.tdl" as username. It seams that the single backslash gets a double backslash. I guess that's the root cause.

EXPECTED RESULT
* Login works

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Kubuntu 20.04
KDE Plasma Version: 5.18.5
KDE Frameworks Version: 5.68.0
Qt Version: 5.12.8