[kmail2] [Bug 445229] New: Wrong authentication setting for SMTP by default when adding a GMail account

[Andrés Vieira]

https://bugs.kde.org/show_bug.cgi?id=445229

            Bug ID: 445229
           Summary: Wrong authentication setting for SMTP by default when
                    adding a GMail account
           Product: kmail2
           Version: unspecified
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: anvieiravazquez at gmail.com
  Target Milestone: ---

When adding a new GMail account an OAuth2 window pops up and everything works
as expected. However the SMTP authentication settings have Authentication set
to PLAIN, which does not work.

Setting this to XOAUTH2 solves the issue. So the bug seems that KMail seems to
set PLAIN authentication by default even when an OAuth2 authentication method
was used to add the account. 

How to manually fix the issue: Configure KMail -> Accounts -> Sending -> Select
Google Mail SMTP -> Modify... -> Advanced -> Change "Authentication" from PLAIN
to XOAUTH

STEPS TO REPRODUCE
1. Configure KMail -> Accounts -> Receiving -> Add... -> Add Mail account ->
*follow wizard*
2. Try to send an email, which fires a warning email from google an does not
work.

OBSERVED RESULT
Email does not send via SMTP because Google Mail does not let plain
authentication to send emails by default.

EXPECTED RESULT
SMTP authenticates via OAuth2 by default if that what's been used to add the
account, so sending mail works.


SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.23.2
KDE Frameworks Version: 5.87.0
Qt Version: 5.15.2
Kernel Version: 5.14.16-zen1-1-zen (64-bit)
Graphics Platform: X11
Processors: 8 × 11th Gen Intel® Core™ i7-1165G7 @ 2.80GHz
Memory: 15,4 GiB of RAM
Graphics Processor: Mesa Intel® Xe Graphics

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