SOGo MariaDB

[client]
default-character-set           = utf8mb4

[mysql]
default-character-set           = utf8mb4

[mysqld]
character-set-client-handshake  = FALSE
collation-server                = utf8mb4_unicode_ci
character-set-server            = utf8mb4
innodb_file_per_table           = TRUE
innodb_file_format              = Barracuda
innodb_large_prefix             = TRUE