usage 1
fi
+if [[ ! $SUDO_USER ]]; then
+ echo "$0: error: requires running as nonroot or sudo"
+fi
+u=$SUDO_USER
####### begin perstent password instructions ######
# 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/$user/filesystem/etc/mailpass
# # then run this script, or part of it which uses /etc/mailpass
# # dovecot password, i just need 1 as I\'m the only user
# # via the mail-setup scripts
# # 2017-02 dmarc policies:
+# # host -t txt _dmarc.gmail.com
# # yahoo: p=reject, hotmail: p=none, gmail: p=none, fastmail none for legacy reasons
-# # gmail will be changing to p=reject, which is expected to cause problems
+# # there were articles claiming gmail would be changing
+# # to p=reject, in early 2017, which didn't happen. I see no sources on them. It's
+# # expected to cause problems
# # with a few old mailing lists, copying theirs for now.
+#
# echo "dmarc dns, name: _dmarc value: v=DMARC1; p=none; rua=mailto:mailauth-reports@$domain"
# # 2017-02 spf policies:
# The full list of option settings for any particular driver instance,
# including all the defaulted values, can be extracted by making use of
# the -bP command line option.
+# exim -bP config_file to see what config file it used
+# exim -bP config to see
# exim clear out message queue. as root:
# adapted from somewhere on stackoverflow.
# New one is smtp.fastmail.com
# test delivery & rewrite settings:
-#exim4 -bt ian@localhost
+#exim4 -bt iank@localhost
postconfin() {
}
e() { printf "%s\n" "$*"; }
-postmaster=ian
+postmaster=$u
mxhost=mail.iankelling.org
mxport=25
-forward=ian@$mxhost
+forward=$u@$mxhost
# old setup. left as comment for example
# mxhost=mail.messagingengine.com
relayhost="[$mxhost]:$mxport" # postfix
smarthost="$mxhost::$mxport" # exim
-
+# trisquel 8 = openvpn, debian stretch = openvpn-client
+vpn_ser=openvpn-client
+if [[ ! -e /lib/systemd/system/openvpn-client@.service ]]; then
+ vpn_ser=openvpn
+fi
if [[ $HOSTNAME == $MAIL_HOST ]]; then
# afaik, these will get ignored because they are routing to my own
# inet_protocols
service postfix restart
-else # exim. has debian specific stuff for now
+else # begin exim. has debian specific stuff for now
+
+ if ! dpkg -s openvpn &>/dev/null; then
+ apt-get -y install --purge --auto-remove openvpn
+ fi
+
+ if [[ -e /p/c/filesystem ]]; then
+ # to put the hostname in the known hosts
+ ssh -o StrictHostKeyChecking=no root@li.iankelling.org :
+ /a/exe/vpn-mk-client-cert -b mail -n mail li.iankelling.org
+ 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
+
+[Timer]
+OnCalendar=*:0/5
+
+[Install]
+WantedBy=timers.target
+EOF
+
+ cat >/etc/systemd/system/offlineimapsync.service <<EOF
+[Unit]
+Description=Offlineimap sync
+After=multi-user.target
+[Service]
+User=$u
+Type=oneshot
+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
source /a/bin/bash_unpublished/source-semi-priv
exim_main_dir=/etc/exim4/conf.d/main
mkdir -p $exim_main_dir
+
+
if [[ $HOSTNAME == $MAIL_HOST ]]; then
debconf-set-selections <<EOF
# This name won\'t appear on From: lines of outgoing messages if rewriting is enabled.
# System mail name:
-exim4-config exim4/mailname string li.iankelling.org
+exim4-config exim4/mailname string mail.iankelling.org
# Other destinations for which mail is accepted:
# iank.bid is for testing
# mail.iankelling.org is for machines i own
-exim4-config exim4/dc_other_hostnames string *.iankelling.org;iankelling.org;*iank.bid;iank.bid;*zroe.org;zroe.org
+exim4-config exim4/dc_other_hostnames string *.iankelling.org;iankelling.org;*iank.bid;iank.bid;*zroe.org;zroe.org;*.b8.nz;b8.nz
# MAIN_HARDCODE_PRIMARY_HOSTNAME might mess up the
# smarthost config type, not sure. all other settings
# would be unused in that config type.
- cat >$exim_main_dir/000_localmacros <<'EOF'
+ 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
# https://debian-administration.org/article/718/DKIM-signing_outgoing_mail_with_exim4
# The file is based on the outgoing domain-name in the from-header.
-DKIM_DOMAIN = ${lc:${domain:$h_from:}}
+DKIM_DOMAIN = \${lc:\${domain:\$h_from:}}
# sign if key exists
-DKIM_PRIVATE_KEY= ${if exists{/etc/exim4/${dkim_domain}-private.pem} {/etc/exim4/${dkim_domain}-private.pem}}
+DKIM_PRIVATE_KEY= \${if exists{/etc/exim4/\${dkim_domain}-private.pem} {/etc/exim4/\${dkim_domain}-private.pem}}
# failing message on mail-tester.com:
# We check if there is a server (A Record) behind your hostname treetowl.
# You may want to publish a DNS record (A type) for the hostname treetowl or use a different hostname in your mail software
# https://serverfault.com/questions/46545/how-do-i-change-exim4s-primary-hostname-on-a-debian-box
-# and this one seemed appropriate from grepping config
-MAIN_HARDCODE_PRIMARY_HOSTNAME = li.iankelling.org
+# and this one seemed appropriate from grepping config.
+# I originally set this to li.iankelling.org, but then ended up with errors when li tried to send
+# mail to treetowl, so this should basically be a name that no host has as their
+# canonical hostname since the actual host sits behind a nat and changes.
+# Seems logical for this to be the same as mailname.
+MAIN_HARDCODE_PRIMARY_HOSTNAME = mail.iankelling.org
# normally empty, I set this so I can set the envelope address
# when doing mail redelivery to invoke filters
-MAIN_TRUSTED_GROUPS = ian
+MAIN_TRUSTED_GROUPS = $u
LOCAL_DELIVERY = dovecot_lmtp
-# options exim has to avoid altering the default config files
+# options exim has to avoid having to alter the default config files
CHECK_RCPT_LOCAL_ACL_FILE = /etc/exim4/rcpt_local_acl
CHECK_DATA_LOCAL_ACL_FILE = /etc/exim4/data_local_acl
+
+# debian exim config added this in 2016 or so?
+# it's part of the smtp spec, to limit lines to 998 chars
+# but a fair amount of legit mail does not adhere to it. I don't think
+# this should be default, like it says in
+# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=828801
+# todo: the bug for introducing this was about headers, but
+# the fix maybe is for all lines? one says gmail rejects, the
+# other says gmail does not reject. figure out and open a new bug.
+IGNORE_SMTP_LINE_LENGTH_LIMIT = true
+
+# most of the ones that gmail seems to use.
+# Exim has horrible default of signing unincluded
+# list- headers since they got mentioned in an
+# rfc, but this messes up mailing lists, like gnu/debian which want to
+# keep your dkim signature intact but add list- headers.
+DKIM_SIGN_HEADERS = mime-version:in-reply-to:references:from:date:subject:to
+
EOF
- cat >/etc/systemd/system/offlineimapsync.timer <<'EOF'
-[Unit]
-Description=Run offlineimap-sync once every 5 mins
+ ####### begin dovecot setup ########
+ # based on a little google and package search, just the dovecot
+ # packages we need instead of dovecot-common.
+ #
+ # dovecot-lmtpd is for exim to deliver to dovecot instead of maildir
+ # directly. The reason to do this is to use dovecot\'s sieve, which
+ # has extensions that allow it to be almost equivalent to exim\'s
+ # filter capabilities, some ways probably better, some worse, and
+ # sieve has the benefit of being supported in postfix and
+ # proprietary/weird environments, so there is more examples on the
+ # internet. I was torn about whether to do this or not, meh.
+ apt-get -y install --purge --auto-remove \
+ dovecot-core dovecot-imapd dovecot-sieve dovecot-lmtpd
-[Timer]
-OnCalendar=*:0/5
+ # if we changed 90-sieve.conf and removed the active part of the
+ # sieve option, we wouldn\'t need this, but I\'d rather not modify a
+ # default config if not needed. This won\'t work as a symlink in /a/c
+ # unfortunately.
+ sudo -u $postmaster /a/exe/lnf -T sieve/main.sieve $(eval echo ~$postmaster)/.dovecot.sieve
-[Install]
-WantedBy=timers.target
+ sed -ri -f - /etc/dovecot/conf.d/10-mail.conf <<'EOF'
+1i mail_location = maildir:/m/md:LAYOUT=fs:INBOX=/m/md/INBOX
+/^\s*mail_location\s*=/d
EOF
- cat >/etc/systemd/system/offlineimapsync.service <<'EOF'
-[Unit]
-Description=Offlineimap sync
-After=multi-user.target
+ cat >/etc/dovecot/conf.d/20-lmtp.conf <<'EOF'
+protocol lmtp {
+#per https://wiki2.dovecot.org/Pigeonhole/Sieve/Configuration
+ mail_plugins = $mail_plugins sieve
+# default was
+ #mail_plugins = $mail_plugins
-[Service]
-User=ian
-Type=oneshot
-ExecStart=/a/bin/log-quiet/sysd-mail-once offlineimap-sync /a/bin/distro-setup/offlineimap-sync
+# For a normal setup with exim, we need something like this, which
+# removes the domain part
+# auth_username_format = %Ln
+#
+# or else # Exim says something like
+# "LMTP error after RCPT ... 550 ... User doesn't exist someuser@somedomain"
+# Dovecot verbose log says something like
+# "auth-worker(9048): passwd(someuser@somedomain): unknown user"
+# reference: http://wiki.dovecot.org/LMTP/Exim
+#
+# However, I use this to direct all mail to the same inbox.
+# 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"
+# driver = redirect
+# domains = +local_domains
+# data = ian
+# based on
+# http://blog.alteholz.eu/2015/04/exim4-and-catchall-email-address/
+# with superflous options removed.
+# However, this causes the envelope to be rewritten,
+# 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
+}
+
+EOF
+
+
+ cat >/etc/dovecot/local.conf <<'EOF'
+# so I can use a different login that my shell login for mail. this is
+# worth doing solely for the reason that if this login is compromised,
+# it won't also compromise my shell password.
+!include conf.d/auth-passwdfile.conf.ext
+
+# settings derived from wiki and 10-ssl.conf
+ssl = required
+ssl_cert = </etc/exim4/exim.crt
+ssl_key = </etc/exim4/exim.key
+# https://github.com/certbot/certbot/raw/master/certbot-apache/certbot_apache/options-ssl-apache.conf
+# in my cert cronjob, I check if that has changed upstream.
+ssl_cipher_list = ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA
+
+# ian: added this, more secure, per google etc
+ssl_prefer_server_ciphers = yes
+
+# for debugging info, uncomment these.
+# logs go to syslog and to /var/log/mail.log
+# auth_verbose=yes
+#mail_debug=yes
EOF
- systemctl daemon-reload
+ ####### end dovecot setup ########
+
+
systemctl enable offlineimapsync.timer
systemctl start offlineimapsync.timer
+ systemctl restart $vpn_ser@mail
+ systemctl enable $vpn_ser@mail
+ systemctl enable dovecot
+ systemctl restart dovecot
else # $HOSTNAME != $MAIL_HOST
systemctl disable offlineimapsync.timer &>/dev/null ||:
systemctl stop offlineimapsync.timer &>/dev/null ||:
+ systemctl disable $vpn_ser@mail
+ systemctl stop $vpn_ser@mail
+ systemctl disable dovecot ||:
+ systemctl stop dovecot ||:
#
#
# would only exist because I wrote it i the previous condition,
debconf-set-selections <<EOF
exim4-config exim4/dc_eximconfig_configtype select mail sent by smarthost; no local mail
exim4-config exim4/dc_smarthost string $smarthost
+# the default, i think is from /etc/mailname. better to set it to
+# whatever the current fqdn is.
+exim4-config exim4/mailname string $(hostname -f)
EOF
+
fi # end $HOSTNAME != $MAIL_HOST
# if we already have it installed, need to reconfigure, without being prompted
# just noticed this in the config file, seems like a good idea.
sed -i '/^\s*NICE\s*=/d' /etc/default/spamassassin
e 'NICE="--nicelevel 15"' >>/etc/default/spamassassin
+ systemctl start spamassassin
systemctl reload spamassassin
cat >/etc/systemd/system/spamddnsfix.service <<'EOF'
Type=oneshot
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
+ # ubuntu 18.04.
cat >/etc/systemd/system/spamddnsfix.timer <<'EOF'
[Unit]
Description=run spamd bug fix script every 10 minutes
systemctl enable mailcert.timer
- ####### begin dovecot setup ########
- if [[ $HOSTNAME == $MAIL_HOST ]]; then
- # based on a little google and package search, just the dovecot
- # packages we need instead of dovecot-common.
- #
- # dovecot-lmtpd is for exim to deliver to dovecot instead of maildir
- # directly. The reason to do this is to use dovecot\'s sieve, which
- # has extensions that allow it to be almost equivalent to exim\'s
- # filter capabilities, some ways probably better, some worse, and
- # sieve has the benefit of being supported in postfix and
- # proprietary/weird environments, so there is more examples on the
- # internet. I was torn about whether to do this or not, meh.
- apt-get -y install --purge --auto-remove \
- dovecot-core dovecot-imapd dovecot-sieve dovecot-lmtpd
- # if we changed 90-sieve.conf and removed the active part of the
- # sieve option, we wouldn\'t need this, but I\'d rather not modify a
- # default config if not needed. This won\'t work as a symlink in /a/c
- # unfortunately.
- sudo -u $postmaster /a/exe/lnf -T sieve/main.sieve ~$postmaster/.dovecot.sieve
-
- sed -ri -f - /etc/dovecot/conf.d/10-mail.conf <<'EOF'
-1i mail_location = maildir:/m/md:LAYOUT=fs:INBOX=/m/md/INBOX
-/^\s*mail_location\s*=/d
-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
-# default was
- #mail_plugins = $mail_plugins
-
-# For a normal setup with exim, we need something like this, which
-# removes the domain part
-# auth_username_format = %Ln
-#
-# or else # Exim says something like
-# "LMTP error after RCPT ... 550 ... User doesn't exist someuser@somedomain"
-# Dovecot verbose log says something like
-# "auth-worker(9048): passwd(someuser@somedomain): unknown user"
-# reference: http://wiki.dovecot.org/LMTP/Exim
-#
-# However, I use this to direct all mail to the same inbox.
-# 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"
-# driver = redirect
-# domains = +local_domains
-# data = ian
-# based on
-# http://blog.alteholz.eu/2015/04/exim4-and-catchall-email-address/
-# with superflous options removed.
-# However, this causes the envelope to be rewritten,
-# 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
-}
-
-EOF
-
-
- cat >/etc/dovecot/local.conf <<'EOF'
-# so I can use a different login that my shell login for mail. this is
-# worth doing solely for the reason that if this login is compromised,
-# it won't also compromise my shell password.
-!include conf.d/auth-passwdfile.conf.ext
-
-# settings derived from wiki and 10-ssl.conf
-ssl = required
-ssl_cert = </etc/exim4/exim.crt
-ssl_key = </etc/exim4/exim.key
-# https://github.com/certbot/certbot/raw/master/certbot-apache/certbot_apache/options-ssl-apache.conf
-# in my cert cronjob, I check if that has changed upstream.
-ssl_cipher_list = ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA
-
-# ian: added this, more secure, per google etc
-ssl_prefer_server_ciphers = yes
-
-# for debugging info, uncomment these.
-# logs go to syslog and to /var/log/mail.log
-# auth_verbose=yes
-#mail_debug=yes
-EOF
-
- fi ####### end dovecot setup ########
# begin setup passwd.client
f=/etc/exim4/passwd.client
+ rm -f /etc/exim4/passwd.client
install -m 640 -g Debian-exim /dev/null $f
cat /etc/mailpass| while read -r domain port pass; do
# reference: exim4_passwd_client(5)
sed -r s/^\\S+:/$b:/ 600_exim4-config_userforward >175_$b
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.
-# Since postfix is not the greatest, just set it ourselves.
-if [[ $postmaster != root ]]; then
- sed -i --follow-symlinks -f - /etc/aliases <<EOF
+ # /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.
+ # Since postfix is not the greatest, just set it ourselves.
+ if [[ $postmaster != root ]]; then
+ sed -i --follow-symlinks -f - /etc/aliases <<EOF
\$a root: $postmaster
/^root:/d
EOF
- newaliases
-fi
+ newaliases
+ fi
# put spool dir in directory that spans multiple distros.
# based on http://www.postfix.org/qmgr.8.html and my notes in gnus
+#
+# todo: I'm suspicious of uids for Debian-exim being the same across
+# distros. It would be good to test this.
dir=/nocow/$type
sdir=/var/spool/$type
# we only do this if our system has $dir
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
+ else
+ systemctl stop radicale
+ systemctl disable radicale
+ fi
+fi
# 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
iankelling.org / git / distro-setup / blobdiff