Bug 468654

Summary: After upgrading to KDE 5.27, my mailboxes always show up as (Offline) after computer wakes up from sleep. No way to bring them back online.
Product: [Applications] kontact Reporter: ioo+kde
Component: mailAssignee: kdepim bugs <pim-bugs-null>
Status: REPORTED ---    
Severity: major    
Priority: NOR    
Version First Reported In: 5.22.3   
Target Milestone: ---   
Platform: Neon   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description ioo+kde 2023-04-18 14:43:32 UTC 
SUMMARY
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After upgrading to KDE 5.27, my mailboxes always show up as (Offline) after computer wakes up from sleep. Right clicking and selecting "Update this folder and all subfolder" gives the message: "Before syncing folder: xx it is necessary to have the resource online. Do you want to make it online? If I click "Go online" nothing happens. The mailbox remains offline.

The only way I have found to being the mailbox back online is to reboot the computer. This is not an acceptable solution. I will likely need to start looking for another mail client if Kmail is broken in 5.27.
***


STEPS TO REPRODUCE
1. Wake computer up from sleep
2. Open Kontact
3. Try to check mail and notice it says (offline)
4. Right click and select "Update this folder"
5. Click "Go online"
6. Nothing happens, mailbox is still offline.

OBSERVED RESULT
- Mailbox will not go online automatically when waking up from sleep
- Mailbox will not go online after selecting "Go online"

EXPECTED RESULT
Mailbox should go online automatically. Certainly it should go online if I specify it to go online which it also does not do.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: KDE neon 5.27
(available in About System)
KDE Plasma Version: 5.27.4
KDE Frameworks Version: 5.105.0
Qt Version: 5.15.8

ADDITIONAL INFORMATION
This is a new issue, it has never happened before the recent disut upgrade to KDE 5.27