Upgrade to Mailu 1.9, adjust env vars

.env.sample

@@ -31,11 +31,11 @@ POSTMASTER=admin
 # Choose how secure connections will behave (value: letsencrypt, cert, notls, mail, mail-letsencrypt)
 TLS_FLAVOR=mail
 
-# Authentication rate limit (per source IP address)
-AUTH_RATELIMIT=10/minute
+# Authentication rate limit per IP (per /24 on ipv4 and /56 on ipv6)
+AUTH_RATELIMIT_IP=60/hour
 
 # Opt-out of statistics, replace with "True" to opt out
-DISABLE_STATISTICS=False
+DISABLE_STATISTICS=True
 
 ###################################
 # Optional features
@@ -62,6 +62,9 @@ ANTIVIRUS=none
 # Max attachment size will be 33% smaller
 MESSAGE_SIZE_LIMIT=50000000
 
+# Message rate limit (per user)
+MESSAGE_RATELIMIT=200/day
+
 # Networks granted relay permissions
 # Use this with care, all hosts in this networks will be able to send mail without authentication!
 RELAYNETS=
@@ -86,7 +89,7 @@ WELCOME_SUBJECT="Welcome to your new email account"
 WELCOME_BODY="Welcome to your new email account, if you can read this, then it is configured properly!"
 
 # Maildir Compression
-# choose compression-method, default: none (value: bz2, gz)
+# choose compression-method, default: none (value: gz, bz2, lz4, zstd)
 COMPRESSION=
 # change compression-level, default: 6 (value: 1-9)
 COMPRESSION_LEVEL=
@@ -126,9 +129,8 @@ WEBSITE=https://$DOMAIN
 # Docker-compose project name, this will prepended to containers names.
 COMPOSE_PROJECT_NAME=mailu
 
-# Default password scheme used for newly created accounts and changed passwords
-# (value: PBKDF2, BLF-CRYPT, SHA512-CRYPT, SHA256-CRYPT)
-PASSWORD_SCHEME=PBKDF2
+# Number of rounds used by the password hashing scheme
+CREDENTIAL_ROUNDS=12
 
 # Header to take the real ip from
 REAL_IP_HEADER=
@@ -142,6 +144,9 @@ REJECT_UNLISTED_RECIPIENT=
 # Log level threshold in start.py (value: CRITICAL, ERROR, WARNING, INFO, DEBUG, NOTSET)
 LOG_LEVEL=WARNING
 
+# Timezone for the Mailu containers. See this link for all possible values https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
+TZ=Etc/UTC
+
 ###################################
 # Database settings
 ###################################