It is best to prefer mailbox_create() rather than try_mkdir() directly
as we'll be able to encapslate mailbox creation logic within it.
Signed-off-by: Chloe M. <chloe@mirocom.org>
The try_touch() function is responsible for attempting to create new
files while optionally filling it with initial data
Signed-off-by: Chloe M. <chloe@mirocom.org>