I've downgraded to Exim 4.93 and exim_conf 4.5.22 to resolve the issue temporarily.
/usr/local/directadmin/custombuild/custom_versions.txt and added:
After that i rebuilded exim, that solved the issue for now and my mail queue is running perfectly again.
@Richard G I also see it, does not look that it is too well documented at CSF but showing in release notes (https://download.configserver.com/csf/changelog.txt):
13.01 - Added reseller support in InterWorx
Added reseller support in DirectAdmin
Also here it show "You do not have access...
Check the managesieve/skins directory directory of the plugin, it contains content about skins too, you need to add your skin to managesieve/skins directory too besides elastic to enable it/make it work again for your own skin.
Also added a feature request for DA to add Archive directory to new mailboxes by default, so for instance Roundcube can use it for archiving emails.
Just spoke to @smtalk and he gave me a link to their brand new feedback page on https://feedback.directadmin.com :love:
You can post any feature requests or bugs there, i've already made a start with some requests!
DirectAdmin is already great but let's give DirectAdmin more input to make it...
@ditto @DirectAdmin Support just posted the request in DirectAdmin's brand new feedback/feature request system:
Thanks @ditto for describing it, i just posted it to make DA aware of it!