Resolve "Notifications to reseller not working"

Closes #6347

See merge request ispconfig/ispconfig3!1610

Resolve "SPF modification error with user account"

Closes #5481

See merge request ispconfig/ispconfig3!1612

Safe delete for mailboxes

Closes #6113

See merge request ispconfig/ispconfig3!1454

Delete mail_domain after mail_user records

Closes #6331

See merge request ispconfig/ispconfig3!1598

nginx: Added ACME redirect to main domain based on alias domain fix

Closes #4618

See merge request ispconfig/ispconfig3!1604

Also cleanup databases when a client is deleted, fixes #6304

Closes #6304

See merge request ispconfig/ispconfig3!1596

Resolve "Lower the entropy test value in BIND plugin to 200"

Closes #6366

See merge request ispconfig/ispconfig3!1619

Show the client name on the delete confirmation page

Closes #6334

See merge request ispconfig/ispconfig3!1601

Warn about duplicate code in a comment

See merge request ispconfig/ispconfig3!1597

Backport MR !889, unify settings between distros and improves

See merge request ispconfig/ispconfig3!1609

Change deprecated JQuery .load() to .on("load") - #6322

Closes #6322

See merge request ispconfig/ispconfig3!1607

Resolve "API to get mail user details for all account that belong to a domain"

Closes #6333

See merge request ispconfig/ispconfig3!1600

Add API function mail_user_get_all_by_client, #6332

Closes #6332

See merge request ispconfig/ispconfig3!1599

Added user field to datalog list view

Closes #6370

See merge request ispconfig/ispconfig3!1621

Check for different pure-ftpd log file locations (fixes FTP stats for EPEL/RHEL)

Closes #6378

See merge request ispconfig/ispconfig3!1625

- Updated edit links in html template

Resolve "Two-factor authentication"

Closes #2558

See merge request ispconfig/ispconfig3!1575

Resolve "Send email to reseller when quota is reached"

Closes #6346

See merge request ispconfig/ispconfig3!1608

Add Copy to clipboard button to shell user account and emailboxes

Closes #6230

See merge request ispconfig/ispconfig3!1543

Typo, update ispconfig.css

See merge request ispconfig/ispconfig3!1606