#!/bin/bash
+set -x
+
# Copyright (C) 2016 Ian Kelling
# Licensed under the Apache License, Version 2.0 (the "License");
The minimal assumption we have is that /etc/mailpass exists
+
+I've had problems with postfix on debian:
+on stretch, a startup ordering issue caused all mail to fail.
+postfix changed defaults to only use ipv6 dns, causing all my mail to fail.
+I haven't gotten around to getting a non-debian exim
+setup.
+
+
+
-h|--help Print help and exit.
EOF
exit $1
# apg -m 50 -x 70 -n 1 -a 1 -M CLN >$f
# s sed -i "/^$user:/d" /p/c/filesystem/etc/exim4/passwd
# echo "$user:$(mkpasswd -m sha-512 -s <$f)" >>/p/c/filesystem/etc/exim4/passwd
-# echo "mail.iankelling.org:$user:$(<$f)" >> /p/c/machine_specific/$user/filesystem/etc/mailpass
+# echo "mail.iankelling.org $user $(<$f)" >> /p/c/machine_specific/$user/filesystem/etc/mailpass
# # then run this script, or part of it which uses /etc/mailpass
# # dovecot password, i just need 1 as I\'m the only user
# # host -t txt _dmarc.gmail.com
# # yahoo: p=reject, hotmail: p=none, gmail: p=none, fastmail none for legacy reasons
# # there were articles claiming gmail would be changing
-# # to p=reject, in early 2017, which didn't happen. I see no sources on them. It's
+# # to p=reject, in early 2017, which didn\'t happen. I see no sources on them. It\'s
# # expected to cause problems
# # with a few old mailing lists, copying theirs for now.
#
# echo "dmarc dns, name: _dmarc value: v=DMARC1; p=none; rua=mailto:mailauth-reports@$domain"
# # 2017-02 spf policies:
+# # host -t txt lists.fedoraproject.org
# # google ~all, hotmail -all, yahoo: ?all, fastmail ?all
# # i include fastmail\'s settings, per their instructions,
# # and follow their policy. In mail in a box, or similar instructions,
inet_protocols = ipv4
EOF
# msg_size_limit: I ran into a log file not sending cuz of size. double from 10 to 20 meg limit
- # inet_protocols: without this, I've had postfix try an ipv6 lookup then gives
+ # inet_protocols: without this, I\'ve had postfix try an ipv6 lookup then gives
# up and fail forever. snippet from syslog: type=AAAA: Host not found, try again
fi
if [[ -e /p/c/filesystem ]]; then
- /a/exe/vpn-mk-client-cert -b mail -n mail li
+ # allow failure of these commands when our internet is down, they are likely not needed,
+ # we check that a valid cert is there already.
+ # to put the hostname in the known hosts
+ if ! ssh -o StrictHostKeyChecking=no root@li.iankelling.org :; then
+ openssl x509 -checkend $(( 60 * 60 * 24 * 3 )) -noout -in /etc/openvpn/mail.crt
+ else
+ # note, man openvpn implies we could just call mail-route on vpn startup/shutdown with
+ # systemd, buuut it can remake the tun device unexpectedly, i got this in the log
+ # after my internet was down for a bit:
+ # NOTE: Pulled options changed on restart, will need to close and reopen TUN/TAP device.
+ /a/exe/vpn-mk-client-cert -b mail -n mail -s /b/ds/mail-route li.iankelling.org
+ fi
fi
- cat >/etc/systemd/system/mailroute.service <<EOF
-[Unit]
-# this unit is configured to start and stop whenever $vpn_ser@mail.service
-# does
-Description=Routing for email vpn
-After=network.target
-BindsTo=$vpn_ser@mail.service
-After=$vpn_ser@mail.service
-
-[Service]
-Type=oneshot
-ExecStart=/a/bin/distro-setup/mail-route start
-ExecStop=/a/bin/distro-setup/mail-route stop
-RemainAfterExit=yes
-
-[Install]
-RequiredBy=$vpn_ser@mail.service
-EOF
-
cat >/etc/systemd/system/offlineimapsync.timer <<'EOF'
[Unit]
-Description=Run offlineimap-sync once every 5 mins
+Description=Run offlineimap-sync once every min
[Timer]
-OnCalendar=*:0/5
+OnCalendar=*:0/1
[Install]
WantedBy=timers.target
ExecStart=/a/bin/log-quiet/sysd-mail-once offlineimap-sync /a/bin/distro-setup/offlineimap-sync
EOF
systemctl daemon-reload
- systemctl enable mailroute
# wording of question from dpkg-reconfigure exim4-config
# 1. internet site; mail is sent and received directly using SMTP
# most of these settings get translated into settings
# in /etc/exim4/update-exim4.conf.conf
+ # how /etc/exim4/update-exim4.conf.conf translates into actual exim settings is
+ # documented in man update-exim4.conf, which outputs to the config that
+ # exim actually reads. except the man page is not perfect, for example,
+ # it doesn't document that it sets
+ # DCconfig_${dc_eximconfig_configtype}" "1"
+ # which is a line from update-exim4.conf, which is a relatively short bash script.
# mailname setting sets /etc/mailname
debconf-set-selections <<EOF
mkdir -p $exim_main_dir
+
+ #### begin mail cert setup ###
+ f=/usr/local/bin/mail-cert-cron
+ cat >$f <<'EOF'
+set -eE -o pipefail
+trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
+
+[[ $EUID == 0 ]] || exec sudo "$BASH_SOURCE" "$@"
+
+f=/a/bin/bash_unpublished/source-semi-priv
+if [[ -e $f ]]; then
+ source $f
+fi
+if [[ $HOSTNAME == $MAIL_HOST ]]; then
+ local_mx=mail.iankelling.org
+ rsync_common="rsync -ogtL --chown=root:Debian-exim --chmod=640 root@li:/etc/letsencrypt/live/$local_mx/"
+ ${rsync_common}fullchain.pem /etc/exim4/exim.crt
+ ret=$?
+ ${rsync_common}privkey.pem /etc/exim4/exim.key
+ new_ret=$?
+ if [[ $ret != $new_ret ]]; then
+ echo "$0: error: differing rsync returns, $ret, $new_ret"
+ exit 1
+ fi
+fi
+if [[ $new_ret != 0 ]]; then
+ if ! openssl x509 -checkend $(( 60 * 60 * 24 * 3 )) -noout -in /etc/exim4/exim.crt; then
+ echo "$0: error!: cert rsync failed and it will expire in less than 3 days"
+ exit 1
+ fi
+fi
+exit 0
+EOF
+ chmod 755 $f
+
+ cat >/etc/systemd/system/mailcert.service <<'EOF'
+[Unit]
+Description=Mail cert rsync
+After=multi-user.target
+
+[Service]
+Type=oneshot
+ExecStart=/a/bin/log-quiet/sysd-mail-once mailcert /usr/local/bin/mail-cert-cron
+EOF
+
+ cat >/etc/systemd/system/mailcert.timer <<'EOF'
+[Unit]
+Description=Run mail-cert once a day
+
+[Timer]
+OnCalendar=daily
+
+[Install]
+WantedBy=timers.target
+EOF
+ systemctl daemon-reload
+ systemctl start mailcert
+ systemctl restart mailcert.timer
+ systemctl enable mailcert.timer
+
+ ##### end mailcert setup #####
+
+
+
if [[ $HOSTNAME == $MAIL_HOST ]]; then
debconf-set-selections <<EOF
# smarthost config type, not sure. all other settings
# would be unused in that config type.
cat >$exim_main_dir/000_localmacros <<EOF
+# i don't have ipv6 setup for my tunnel yet.
+disable_ipv6 = true
+
MAIN_TLS_ENABLE = true
DKIM_CANON = relaxed
/^\s*mail_location\s*=/d
EOF
- cat >/etc/dovecot/conf.d/20-lmtp.conf <<'EOF'
+ cat >/etc/dovecot/conf.d/20-lmtp.conf <<EOF
protocol lmtp {
#per https://wiki2.dovecot.org/Pigeonhole/Sieve/Configuration
- mail_plugins = $mail_plugins sieve
+ mail_plugins = \$mail_plugins sieve
# default was
- #mail_plugins = $mail_plugins
+ #mail_plugins = \$mail_plugins
# For a normal setup with exim, we need something like this, which
# removes the domain part
# A normal way to do this, which I did at first is to have
# a router in exim almost at the end, eg 950,
#local_catchall:
-# debug_print = "R: catchall for $local_part@$domain"
+# debug_print = "R: catchall for \$local_part@\$domain"
# driver = redirect
# domains = +local_domains
-# data = ian
+# data = $u
# based on
# http://blog.alteholz.eu/2015/04/exim4-and-catchall-email-address/
# with superflous options removed.
# which makes filtering into mailboxes a little less robust or more complicated,
# so I've done it this way instead. it also requires
# modifying the local router in exim.
- auth_username_format = ian
+ auth_username_format = $u
}
EOF
rm -f /etc/exim4/update-exim4.conf.conf
dpkg-reconfigure -u -fnoninteractive exim4-config
fi
+
+ # i have the spool directory be common to distro multi-boot, so
+ # we need the uid to be the same. 608 cuz it's kind of in the middle
+ # of the free system uids.
+ IFS=:; read _ _ uid _ < <(getent passwd Debian-exim ); unset IFS
+ IFS=:; read _ _ gid _ < <(getent group Debian-exim ); unset IFS
+ if [[ ! $uid ]]; then
+ # from /var/lib/dpkg/info/exim4-base.postinst, plus uid and gid options
+ adduser --uid 608 --gid 608 --system --group --quiet --home /var/spool/exim4 \
+ --no-create-home --disabled-login --force-badname Debian-exim
+ elif [[ $uid != 608 ]]; then
+ systemctl stop exim4 ||:
+ usermod -u 608 Debian-exim
+ groupmod -g 608 Debian-exim
+ usermod -g 608 Debian-exim
+ find / /nocow -xdev -uid $uid -exec chown -h 608 {} +
+ find / /nocow -xdev -gid $gid -exec chgrp -h 608 {} +
+ fi
+
# light version of exim does not have sasl auth support.
apt-get -y install --purge --auto-remove exim4-daemon-heavy spamassassin
ExecStart=/a/bin/distro-setup/spamd-dns-fix
EOF
# 2017-09, debian closed the bug on this saying upstream had fixed it.
- # remove this when i'm using the newer package, ie, debian 10, or maybe
+ # remove this when i\'m using the newer package, ie, debian 10, or maybe
# ubuntu 18.04.
cat >/etc/systemd/system/spamddnsfix.timer <<'EOF'
[Unit]
##### end spamassassin config
- f=/usr/local/bin/mail-cert-cron
- cat >$f <<'EOF'
-set -eE -o pipefail
-trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
-
-[[ $EUID == 0 ]] || exec sudo "$BASH_SOURCE" "$@"
-
-f=/a/bin/bash_unpublished/source-semi-priv
-if [[ -e $f ]]; then
- source $f
-fi
-if [[ $HOSTNAME == $MAIL_HOST ]]; then
- local_mx=mail.iankelling.org
- rsync_common="rsync -ogtL --chown=root:Debian-exim --chmod=640 root@li:/etc/letsencrypt/live/$local_mx/"
- ${rsync_common}fullchain.pem /etc/exim4/exim.crt
- ${rsync_common}privkey.pem /etc/exim4/exim.key
-fi
-EOF
- chmod 755 $f
-
- cat >/etc/systemd/system/mailcert.service <<'EOF'
-[Unit]
-Description=Mail cert rsync
-After=multi-user.target
-
-[Service]
-Type=oneshot
-ExecStart=/a/bin/log-quiet/sysd-mail-once mailcert /usr/local/bin/mail-cert-cron
-EOF
-
- cat >/etc/systemd/system/mailcert.timer <<'EOF'
-[Unit]
-Description=Run mail-cert once a day
-
-[Timer]
-OnCalendar=daily
-
-[Install]
-WantedBy=timers.target
-EOF
- systemctl daemon-reload
- systemctl start mailcert
- systemctl restart mailcert.timer
- systemctl enable mailcert.timer
-
-
-
batch_max = 200
EOF
+ cat >/etc/exim4/conf.d/router/190_exim4-config_fsfsmarthost <<'EOF'
+# smarthost for fsf mail
+# ian: copied from /etc/exim4/conf.d/router/200_exim4-config_primary, and added senders = and
+# replaced DCsmarthost with mail.fsf.org
+fsfsmarthost:
+ debug_print = "R: smarthost for $local_part@$domain"
+ driver = manualroute
+ domains = ! +local_domains
+ senders = *@fsf.org
+ transport = remote_smtp_smarthost
+ route_list = * mail.fsf.org byname
+ host_find_failed = ignore
+ same_domain_copy_routing = yes
+ no_more
+EOF
+
+ # https://blog.dhampir.no/content/make-exim4-on-debian-respect-forward-and-etcaliases-when-using-a-smarthost
+ # i only need .forwards, so just doing that one.
+ cd /etc/exim4/conf.d/router
+ b=userforward_higher_priority
+ # replace the router name so it is unique
+ sed -r s/^\\S+:/$b:/ 600_exim4-config_userforward >175_$b
# begin setup passwd.client
f=/etc/exim4/passwd.client
done
# end setup passwd.client
- # https://blog.dhampir.no/content/make-exim4-on-debian-respect-forward-and-etcaliases-when-using-a-smarthost
- # i only need .forwards, so just doing that one.
- cd /etc/exim4/conf.d/router
- b=userforward_higher_priority
- # replace the router name so it is unique
- sed -r s/^\\S+:/$b:/ 600_exim4-config_userforward >175_$b
+ # by default, only 10 days of logs are kept. increase that.
+ sed -ri 's/^(\s*rotate\s).*/\11000/' /etc/logrotate.d/exim4-base
+
systemctl restart exim4
- fi # end if exim4
+ fi #### end if exim4
# /etc/alias setup is debian specific, and
# exim config sets up an /etc/alias from root to the postmaster, which i
# config to ian, as long as there exists an entry for root, or there was
# no preexisting aliases file. based on the postinst file. postfix
- # won't set up a root to $postmaster alias if it's already installed.
+ # won\'t set up a root to $postmaster alias if it\'s already installed.
# Since postfix is not the greatest, just set it ourselves.
if [[ $postmaster != root ]]; then
sed -i --follow-symlinks -f - /etc/aliases <<EOF
newaliases
fi
-# put spool dir in directory that spans multiple distros.
-# based on http://www.postfix.org/qmgr.8.html and my notes in gnus
-#
-# todo: I'm suspicious of uids for Debian-exim being the same across
-# distros. It would be good to test this.
-dir=/nocow/$type
-sdir=/var/spool/$type
-# we only do this if our system has $dir
-if [[ -e $dir && $(readlink -f $sdir) != $dir ]]; then
- systemctl stop $type
- if [[ ! -e $dir && -d $sdir ]]; then
- mv $sdir $dir
- fi
- /a/exe/lnf -T $dir $sdir
-fi
-
-systemctl restart $type
-systemctl enable $type
+ # put spool dir in directory that spans multiple distros.
+ # based on http://www.postfix.org/qmgr.8.html and my notes in gnus
+ #
+ # todo: I\'m suspicious of uids for Debian-exim being the same across
+ # distros. It would be good to test this.
+ dir=/nocow/$type
+ sdir=/var/spool/$type
+ # we only do this if our system has $dir
+ if [[ -e /nocow && $(readlink -f $sdir) != $dir ]]; then
+ systemctl stop $type
+ if [[ ! -e $dir && -d $sdir ]]; then
+ mv $sdir $dir
+ fi
+ /a/exe/lnf -T $dir $sdir
+ fi
-# MAIL_HOST also does radicale, and easier to start and stop it here
-# for when MAIL_HOST changes, so radicale gets the synced files and
-# does not stop us from remounting /o.
-if dpkg -s radicale &>/dev/null; then
- if [[ $HOSTNAME == $MAIL_HOST ]]; then
- systemctl restart radicale
- systemctl enable radicale
- else
- systemctl stop radicale
- systemctl disable radicale
- fi
-fi
+ systemctl restart $type
+ systemctl enable $type
+
+ # MAIL_HOST also does radicale, and easier to start and stop it here
+ # for when MAIL_HOST changes, so radicale gets the synced files and
+ # does not stop us from remounting /o.
+ if dpkg -s radicale &>/dev/null; then
+ if [[ $HOSTNAME == $MAIL_HOST ]]; then
+ systemctl restart radicale
+ systemctl enable radicale
+ if [[ -e /etc/logrotate.d/radicale.disabled ]]; then
+ mv /etc/logrotate.d/radicale{.disabled,}
+ fi
+ else
+ systemctl stop radicale
+ systemctl disable radicale
+ # weekly logrotate tries to restart radicale even if it's a disabled service in flidas.
+ if [[ -e /etc/logrotate.d/radicale ]]; then
+ mv /etc/logrotate.d/radicale{,.disabled}
+ fi
+ fi
+ fi
+ exit 0
-# if I wanted the from address to be renamed and sent to a different address,
-# echo "sdx@localhost development@localhost" | sudo dd of=/etc/postfix/recipient_canonical
-# sudo postmap hash:/etc/postfix/recipient_canonical
-# sudo service postfix reload
+ # if I wanted the from address to be renamed and sent to a different address,
+ # echo "sdx@localhost development@localhost" | sudo dd of=/etc/postfix/recipient_canonical
+ # sudo postmap hash:/etc/postfix/recipient_canonical
+ # sudo service postfix reload
iankelling.org / git / distro-setup / blobdiff