[An on-line version of this announcement will be available at http://www.postfix.org/announcements/postfix-3.0.0.html] Postfix stable release 3.0.0 is available. This release ends support for Postfix 2.8. The main changes in no particular order are: SMTPUTF8 support for internationalized domain names and address localparts as defined in RFC 6530 and related documents. The implementation is based o