SECURITY FIX: don't allow to delete protected aliases
(CVE-2017-5930, PR#23).
Following non-security bugs were fixed:
- Fix VacationHandler for PostgreSQL
- AliasHandler: restrict mailbox subquery to allowed and specified domains to improve performance on setups with
+lots of mailboxes
- Allow switching between dovecot: password schemes while still accepting passwords hashed using the previous dov
+ecot: scheme
- FetchmailHandler: use a valid date as default for 'date'
- Fix date formatting in non-english languages when using PostgreSQL
PR: 216932
Submitted by: lukasz@wasikowski.net
Approved by: maintainer, mat (mentor)
Differential Revision: https://reviews.freebsd.org/D9521
2ac1292e57