kolab 16 and prior
ii pykolab 0.8.6-0~kolab1 all Kolab Groupware daemon and utilities
While pykolab tests for white spaces in surname it doesn't for given name. So if there is an given name entry in kolab webadmin and daemon recipient policy is set to true (default) pykolab tries to rewrite email-address to "given email@example.com" which will fail. In the effect no mailboxes are generated.
Should be resolved in: