- Features: Added CardDAV-Plugin for webmail roundcube. ([#1298](https://github.com/Mailu/Mailu/issues/1298))
- Features: Allow users to use server-sided full-text-search again by adding the dovecot fts-xapian plugin ([#1320](https://github.com/Mailu/Mailu/issues/1320))
- Features: Relay a domain to a nonstandard SMTP port by adding ":<port_num>" to the remote hostname or IP address. ([#1357](https://github.com/Mailu/Mailu/issues/1357))
- Features: Allow to enforce TLS for outbound mail by setting OUTBOUND_TLS_LEVEL=encrypt for postfix. ([#1478](https://github.com/Mailu/Mailu/issues/1478))
- Features: Introduce option to disable dovecot full-text-search by an enviroment variable. ([#1538](https://github.com/Mailu/Mailu/issues/1538))
- Features: Add support for AUTH LOGIN authentication mechanism for relaying email via smart hosts. ([#1635](https://github.com/Mailu/Mailu/issues/1635))
- Bugfixes: Fix the password encoding upon authentication ([#1139](https://github.com/Mailu/Mailu/issues/1139))
- Bugfixes: Fix piping mail into rspamd when moving from/to junk-folder ([#1177](https://github.com/Mailu/Mailu/issues/1177))
- Bugfixes: Separate HOST_ANTISPAM in HOST_ANTISPAM_MILTER and HOST_ANTISPAM_WEBUI because of different ports ([#1190](https://github.com/Mailu/Mailu/issues/1190))
- Bugfixes: Make postfix mailqueue persistent ([#1208](https://github.com/Mailu/Mailu/issues/1208))
- Bugfixes: Kubernetes manifests updated to be compatible with Kubernetes 1.16 (breaks compatibility with older k8s versions) ([#1241](https://github.com/Mailu/Mailu/issues/1241))
- Bugfixes: Use pip package for radicale to fix failing builds caused by [alpine]upstream package rebuild against different python version ([#1255](https://github.com/Mailu/Mailu/issues/1255))
- Bugfixes: Ratelimit counts up on failed auth only now ([#1278](https://github.com/Mailu/Mailu/issues/1278))
- Bugfixes: Disable Health checks on swarm mode ([#1289](https://github.com/Mailu/Mailu/issues/1289))
- Bugfixes: Enable the From header for message delivery report in Roundcube and ensure DKIM Signature ([#1381](https://github.com/Mailu/Mailu/issues/1381))
- Bugfixes: Fix alias resolution in regard to case: A specifically matching alias of wrong case is now preferred over a wildcard alias that might have »eaten« it previously. ([#1387](https://github.com/Mailu/Mailu/issues/1387))
- Bugfixes: Show SPF records in accordance with RFC 7208: Previously we instructed admins to create SPF and TXT records, where only TXT records are correct now. !! Attention !! You need to manually remove the SPF-typed records and keep only TXT in your DNS. ([#1394](https://github.com/Mailu/Mailu/issues/1394))
- Bugfixes: Cover relearning messages when moving bewteen Ham and Spam status ([#1438](https://github.com/Mailu/Mailu/issues/1438))
- Bugfixes: Defining POSTMASTER through setup tool apply also to DMARC_RUA and DMARC_RUF settings ([#1463](https://github.com/Mailu/Mailu/issues/1463))
- Bugfixes: Allow IPv6 authenticated connections in PostgreSQL pg_hba.conf ([#1479](https://github.com/Mailu/Mailu/issues/1479))
- Bugfixes: Check postfix mailqueue permissions before start-up ([#1486](https://github.com/Mailu/Mailu/issues/1486))
Fix alias resolution in regard to case: A specifically matching alias of wrong case is now preferred over a wildcard alias that might have »eaten« it previously.
