* Made the individual replies_set for senders and their recipients.
Made the global replies_set for verified recipients.

* Made the individual replies_set for senders and their recipients.
Made the global replies_set for verified recipients.

* FIXED. Made the individual replies_set for senders and their recipients.
Made the global replies_set for verified recipients.

* Made the individual replies_set for senders and their recipients.
Made the global replies_set for verified recipients.

* Added pre-test for replies set

* Update functional of replies_set

* Few changes to replies and added check for incoming mail

* Few changes in known_senders in check_known_incoming_mail_callback

* Few changes in known_senders and replies

* An attempt to write test(not tested)

* Clean up

* Clean up

* Clean up

* Added tests for replies and known_senders (all tests failed, debug required)

* Moved replies test to the 001_merged

* Cleared up code

* Few changes to replies

* Small changes in score of CHECK_INC_MAIL symbol

* Small debug in known_senders

* Plugin known_senders is fully working

* Troubleshooting replies module

* Changed symbol for check_known_incoming_mail_callback

* Added test for failed incoming mail check

* Little rework

* Rewritten test for more appropriate

* Rewritten tests for replies module. All test passed(debugging not adding to global set)

* Debugged replies module

* Replies module works and tested(needs performance improvements)

* Cleaned up code

* Improved readability and cleaned up code

* Connected auth back(Tests not working, needs user)

* Added test for incoming mail check in known senders module

* Debugged. Works normally(tested, needs to add user)

* Debug + clean up. Tested. Works. User auth required for tests

* Improved performance

* Small changes

* Changed adding to global replies set logic + improved logs messaging

* Added authenticated user to tests

* Cleaned up

* Made a few changes according to the comments on pull request

* [Rework] Added removal of extra senders and recipients in global and local replies sets

* [Minor] Small cleanup

* [Minor] Cleaned up code

* [Fix] Fixed call of incorrect function when making key

* [Rework] Reworked scripts. Added ZADD redis call for local and global replies set

* [Minor] Cleaned up code

* [Fix] Improved performance and eliminated unnecessary invocations

* [Minor] Reassigned script ids

* [Feature] Made a check for local set

* [Fix] Upgraded tests for known senders

* [Fix] Upgraded tests for known senders

* [Fix] Fixed performance of verification of local replies set

* [Minor] Cleaned up code

* [Feature] Added new test to the known_senders tests

* [Test] Ubuntu test

* [Fix] Fixing local replies test check

* [Fix] Fixed code for local replies set check(was not working in previous versions of redis)

* [Fix] Reorganized code to more convenient style and made better loading for scripts

* [Minor] Code has been rewritten in a more appropriate format

* [Minor] Fixed debug messaging

* [Fix] Reworked expiration of replies sets

* [Minor] Upgrade code style

* [Fix] Small fix

* [Feature] Change LFU logic of global replies set to LRU logic

* Made the individual replies_set for senders and their recipients.
Made the global replies_set for verified recipients.

* Made the individual replies_set for senders and their recipients.
Made the global replies_set for verified recipients.

* FIXED. Made the individual replies_set for senders and their recipients.
Made the global replies_set for verified recipients.

* Made the individual replies_set for senders and their recipients.
Made the global replies_set for verified recipients.

* Added pre-test for replies set

* Update functional of replies_set

* Few changes to replies and added check for incoming mail

* Few changes in known_senders in check_known_incoming_mail_callback

* Few changes in known_senders and replies

* An attempt to write test(not tested)

* Clean up

* Clean up

* Clean up

* Added tests for replies and known_senders (all tests failed, debug required)

* Moved replies test to the 001_merged

* Cleared up code

* Few changes to replies

* Small changes in score of CHECK_INC_MAIL symbol

* Small debug in known_senders

* Plugin known_senders is fully working

* Troubleshooting replies module

* Changed symbol for check_known_incoming_mail_callback

* Added test for failed incoming mail check

* Little rework

* Rewritten test for more appropriate

* Rewritten tests for replies module. All test passed(debugging not adding to global set)

* Debugged replies module

* Replies module works and tested(needs performance improvements)

* Cleaned up code

* Improved readability and cleaned up code

* Connected auth back(Tests not working, needs user)

* Added test for incoming mail check in known senders module

* Debugged. Works normally(tested, needs to add user)

* Debug + clean up. Tested. Works. User auth required for tests

* Improved performance

* Small changes

* Changed adding to global replies set logic + improved logs messaging

* Added authenticated user to tests

* Cleaned up

* Made a few changes according to the comments on pull request

* [Rework] Added removal of extra senders and recipients in global and local replies sets

* [Minor] Small cleanup

* [Minor] Cleaned up code

* [Fix] Fixed call of incorrect function when making key

* [Rework] Reworked scripts. Added ZADD redis call for local and global replies set

* [Minor] Cleaned up code

* [Fix] Improved performance and eliminated unnecessary invocations

* [Minor] Reassigned script ids

* [Feature] Made a check for local set

* [Fix] Upgraded tests for known senders

* [Fix] Upgraded tests for known senders

* [Fix] Fixed performance of verification of local replies set

* [Minor] Cleaned up code

* [Feature] Added new test to the known_senders tests

* [Test] Ubuntu test

* [Fix] Fixing local replies test check

* [Fix] Fixed code for local replies set check(was not working in previous versions of redis)

* [Fix] Reorganized code to more convenient style and made better loading for scripts

* [Minor] Code has been rewritten in a more appropriate format

* [Minor] Fixed debug messaging

* [Fix] Reworked expiration of replies sets

* [Minor] Upgrade code style

* [Fix] Small fix

* [Feature] Change LFU logic of global replies set to LRU logic

* [Fix] Fix test conflict

* [Minor] Revert rename

* [Minor] Clean up code

* [Fix] Fix commit history

This types have constant conflicts with the system ones especially on OSX.

It is probably easier to learn Chinese than to understand this language

 - Partially unbreak functional tests in Github Actions

Issue: #4754

 - Demote message to info level
 - Name it returncodes_matcher for better specificity

 - Use luacheck from GitLab

 - Since 4.0 (March 2021)