XWIKI-11486: Batch API to send large volumes of mail
* Add components to different components.txt
XWIKI-11486: Batch API to send large volumes of mail
* Add missed files
XWIKI-11486: Batch API to send large volumes of mail
* Fix MemoryMailListener instantiation (Per lookup)
XWIKI-11486: Batch API to send large volumes of mail
* Fixes tests
* Add getErrorsNumber method to MailListener