MWB-1862: Check probed hosts against configured black-list/white-list for mail accounts prior to connect attempt

(cherry picked from commit 1b9786ae)

(cherry picked from commit 5180c7b3)

(cherry picked from commit eef8928a)

MWB-1830: No checking of incoming requests that query all or many messages of a folder if the client is USM/EAS

(cherry picked from commit c3ed9140)

(cherry picked from commit 52520cf6)

(cherry picked from commit e0d3c946)

(cherry picked from commit 8262e265)

(cherry picked from commit 08a04db7)

[Mai Compose]: Allow client to specify "deleteDraftAfterTransport" flag when sending composition space

(cherry picked from commit 3576fe49)

(cherry picked from commit 3359d7c9)

(cherry picked from commit 1f1e8f9e)

MWB-1798: Use another (simpler) lock mechanism than using "SELECT ... FOR UPDATE" statements that are likely to timeout in distributed/bigger setups #2

(cherry picked from commit 23a0c88e)

MWB-1823: Check if host and port are allowed according to "com.openexchange.mail.account.blacklist" and "com.openexchange.mail.account.whitelist.ports" properties when updating a POP3 account's host/port information

(cherry picked from commit ffffffb2)

(cherry picked from commit f07f8755)

(cherry picked from commit 957fb97c)

(cherry picked from commit 7cb9db28)

(cherry picked from commit 34d7165e)

(cherry picked from commit 0fab235b)

MWB-1817: Added option to sort file stores by occupation when selecting next suitable filestore for an entity (context or user)

(cherry picked from commit 38d58ca0)

MWB-1817: Added option to sort file stores by occupation when selecting next suitable filestore for an entity (context or user)

(cherry picked from commit dcad086c)

MWB-1815: Improved SQL statement to delete Drive items/documents to better utilize existent indexes/primary key

(cherry picked from commit 43a52ea8)

(cherry picked from commit e2580004)

(cherry picked from commit 780cb825)

This reverts commit 017ad2d8.