We just released PostfixAdmin 2.3.4.
It is a bugfix release for the 2.3 series and fixes the following bugs:
- generate more secure random passwords
- squirrelmail plugin: fix typo in variable name
- list-domain: fix SELECT query to work with PgSQL even when using custom fields
- create-domain: force domain name to lowercase to avoid problems with PgSQL foreign keys
- fix vacation.pl to log to "mail" syslog facility
- error_log() dovecotpw error messages