If you emerge dovecot with -ipv6 in your use flags, it fails to start with the following errors: Error: socket() failed: Address family not supported by protocol Fatal: listen(993) failed: Address family not supported by protocol Turning ipv6 back on fixes the problem. Portage 2.1 (default-linux/x86/2006.0, gcc-3.4.6/vanilla, glibc-2.4-r3, 2.6.16-gentoo-r8 i686) ================================================================= System uname: 2.6.16-gentoo-r8 i686 Intel(R) Pentium(R) 4 CPU 3.00GHz Gentoo Base System version 1.6.14 dev-lang/python: 2.3.5-r2, 2.4.2 dev-python/pycrypto: 2.0.1-r5 dev-util/ccache: [Not Present] dev-util/confcache: [Not Present] sys-apps/sandbox: 1.2.18.1 sys-devel/autoconf: 2.13, 2.59-r7 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r1 sys-devel/binutils: 2.16.1-r2 sys-devel/gcc-config: 2.0.0_rc1 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.11-r2 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CBUILD="i686-pc-linux-gnu" CFLAGS="-O2 -march=pentium4 -pipe" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/3.4/env /usr/kde/3.4/share/config /usr/kde/3.4/shutdown /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/lib/X11/xkb /usr/lib/mozilla/defaults/pref /usr/share/config /usr/share/texmf/dvipdfm/config/ /usr/share/texmf/dvips/config/ /usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/ /usr/share/texmf/xdvi/" CONFIG_PROTECT_MASK="/etc/env.d /etc/eselect/compiler /etc/gconf /etc/revdep-rebuild /etc/terminfo /usr/X11R6/bin/startx" CXXFLAGS="-O2 -march=pentium4 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig distlocks metadata-transfer sandbox sfperms strict" GENTOO_MIRRORS="ftp:///ftp-stud.fht-esslingen.de/pub/Mirrors/gentoo/ http://mirror.datapipe.net/gentoo http://gentoo.mirrors.pair.com/ http://mirror.datapipe.net/gentoo" MAKEOPTS="-j3" PKGDIR="/usr/portage/packages" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --delete-after --stats --timeout=180 --exclude='/distfiles' --exclude='/local' --exclude='/packages'" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="x86 3dnow X alsa apache2 apm arts avi bash-completion berkdb bitmap-fonts cdr cli crypt cups doc dri dvd eds emboss encode flac font-server foomaticdb fortran gdbm gif gnome gpm gstreamer gtk gtk2 imlib isdnlog java javamail jce jikes jpeg junit kde kerberos ldap libg++ libwww lm_sensors mad mikmod mmx motif mp3 mpeg ncurses nntp nptl nptlonly nvidia odbc ogg opengl oss pam pcre pdflib perl png pppd python qt quicktime readline real reflection ruby samba sdl session snmp spell spl sse sse2 ssl tcpd theora truetype truetype-fonts type1-fonts udev vcd vorbis win32codecs xinerama xml xmms xorg xscreensaver xv zlib elibc_glibc kernel_linux userland_GNU" Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LC_ALL, LDFLAGS, LINGUAS, PORTAGE_RSYNC_EXTRA_OPTS
I forgot to add, it worked fine with -ipv6 in beta 8 and beta8-r1
Set ssl_listen = * in /etc/dovecot.conf Upstream is aware of the issue However, I've fixed the ebuild so that it makes this change in the config file for you.
