Zimbra has a dependancy on ‘file’, which the installer file won’t check for. It is also a WONTFIX bug, so beware: install file(1)! If you don’t, mails get stuck in queue because amavisd won’t run.
- pg_extra_time: some data-time functions, operators and casts that I’m surprise are not already part of Postgres
- pg_html5_email_address: Postgres email validation in sync. with the HTML5 spec.
- pg_xenophile: more than the bare necessities for PostgreSQL i18n and l10n
- pg_safer_settings: dealing with PostgreSQL settings more … safely
- pg_utility_trigger_functions: PostgreSQL extension with a bunch of often-needed trigger functions