3 # Usage: mail-test-check [slow] [anything]
5 # slow: do slow checks, like spamassassin
7 # anything: consider non-interactive, dont print unless something went
11 source /b
/errhandle
/err
13 [[ $EUID == 0 ]] ||
exec sudo
-E "${BASH_SOURCE[0]}" "$@"
17 e
() { $int ||
return 0; printf "mailtest-check: %s\n" "$*"; }
20 ## Minutes before we give error.
21 # We run this cronjob along with sending the test email every 5 minutes,
22 # so give it 1 minute to arrive, then if the latest email is older than
23 # 7 minutes, the last 2 haven't arrived in a reasonable amount of time.
24 # However, when machines reboot things can get delayed, so add 10 mins,
25 # not sure if that is a good number or not.
29 # spamassassin checking takes about 8 seconds. only do that every
32 if [[ $1 == slow
]]; then
38 if [[ $SUDO_USER ||
$SSH_CONNECTION ]]; then
42 if [[ $1 == int
]]; then
46 if [[ $1 == nonint
]]; then
55 # avoid errors like this:
56 # Nov 8 08:16:05.439 [6080] warn: plugin: failed to parse plugin (from @INC): Can't locate Mail/SpamAssassin/Plugin/WLBLEval.pm: lib/Mail/SpamAssassin/Plugin/WLBLEval.pm: Permission denied at (eval 59) line 1.
57 #Nov 8 08:16:05.439 [6080] warn: plugin: failed to parse plugin (from @INC): Can't locate Mail/SpamAssassin/Plugin/VBounce.pm: lib/Mail/SpamAssassin/Plugin/VBounce.pm: Permission denied at (eval 60) line 1.
58 # i dont know why, i just found the solution online
63 folders
=(/m
/md
/{expertpathologyreview.com
,amnimal.ninja
}/testignore
)
64 froms
=(ian@iankelling.org z@zroe.org testignore@je.b8.nz iank@gnu.org
)
67 froms
=(ian@iankelling.org z@zroe.org testignore@expertpathologyreview.com testignore@amnimal.ninja
)
68 folders
=(/m
/md
/je.b8.nz
/testignore
)
71 folders
=(/m
/md
/l
/testignore
)
72 froms
=(testignore@je.b8.nz testignore@expertpathologyreview.com testignore@amnimal.ninja ian@iankelling.org z@zroe.org iank@gnu.org
)
74 timeout
120 rsync
--chown iank
:iank
-e "ssh -oIdentitiesOnly=yes -F /dev/null -i /root/.ssh/jtuttle" -t --inplace -r 'jtuttle@fencepost.gnu.org:/home/j/jtuttle/Maildir/new/' /m
/md
/l
/testignore
/new
80 if [[ ! $spamdpid ||
! -d /proc
/$spamdpid ]]; then
81 # try twice in case we are restarting, it happens.
83 spamdpid
=$
(systemctl show
--property MainPID
--value spamassassin |
sed 's/^[10]$//' ||
:)
84 if [[ $spamdpid ]]; then
93 if [[ -e /var
/lib
/prometheus
/node-exporter
]]; then
94 cat >>/var
/lib
/prometheus
/node-exporter
/mailtest-check.prom.$$
98 mailtest_check_found_spamd_pid_bool $(( ${spamdpid:-0} > 0 ))
100 e spamdpid
: $spamdpid
101 if [[ ! $spamdpid ]]; then
102 echo $HOSTNAME mailtest spamd pid not found. systemctl status spamassassin
:
103 systemctl status spamassassin
106 declare -i unexpected
=0
107 for folder
in ${folders[@]}; do
108 for from
in ${froms[@]}; do
112 if ! grep -rlFx "From: $from" $folder/{new
,cur
} >$tmpfile; then
113 e
"no message found from: $from"
116 # webmail sends them to cur it seems
117 while read -r file; do
118 if [[ $file -nt $latest ]]; then
123 if [[ ! $latest ]]; then
124 # 10 is an arbitrary bad value
127 to
=$
(awk '/^Envelope-to: / {print $2}' $latest)
128 last_sec
=$
(awk '/^Subject: / {print $4}' $latest)
132 find $folder/new
$folder/cur
-type f
-mmin +1080 -delete
135 if [[ $spamdpid ]]; then
136 if [[ $
(readlink
/proc
/$$
/ns
/net
) != "$(readlink /proc/$spamdpid/ns/net)" ]]; then
137 spamcpre
="nsenter -t $spamdpid -n -m"
141 # pyzor fails for our test message, so dont put useless load on their
143 # example line that sed is parsing:
144 # (-0.1 / 5.0 requ) DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,SPF_HELO_PASS=-0.001,SPF_PASS=-0.001,TVD_SPACE_RATIO=0.001 autolearn=_AUTOLEARN
145 raw_results
="$($spamcpre sudo -u Debian-exim spamassassin -t --cf='score PYZOR_CHECK 0' <"$latest" | tail -n2 | head -n1 | sed -r 's/^\([^)]*\) *//;s/=[^, ]*([, ]|$)/ /g')"
146 for r
in $raw_results; do
148 # got this in an update 2022-01. dun care
149 T_SCC_BODY_TEXT_LINE|SCC_BODY_SINGLE_WORD
) : ;;
150 # we have a new domain, ignore this.
151 # it seems like some versions of spamassassin do BODY_SINGLE_WORD, others dont, we dun care.
152 # bayes_00 is a new one indicating ham, we dont care if its missing.
153 BAYES_00|BODY_SINGLE_WORD|FROM_FMBLA_NEWDOM
*|autolearn
) : ;;
155 # some of my domains use neutral spf, treat them the same.
156 results
[SPF_HELO_PASS
]=t
164 # e results = ${!results[@]}
167 keys
=(DKIM_SIGNED DKIM_VALID
{,_AU
,_EF
} SPF_HELO_PASS SPF_PASS TVD_SPACE_RATIO
)
168 if [[ $to == *@gnu.org
&& $from == *@gnu.org
]]; then
169 keys
=(ALL_TRUSTED TVD_SPACE_RATIO
)
170 elif [[ $to == *@gnu.org
]]; then
171 # eggs has RCVD_IN_DNSWL_MED
172 keys
+=(RCVD_IN_DNSWL_MED
)
173 elif [[ $from == *@gnu.org
]]; then
175 keys
+=(RCVD_IN_DNSWL_MED DKIMWL_WL_HIGH
)
178 for t
in ${keys[@]}; do
179 if [[ ${results[$t]} ]]; then
181 elif [[ $t == DKIM_VALID_EF
&& $from == *@
[^.
]*.
[^.
]*.
[^.
]* ]]; then
183 # third level domains dont hit this. its because
184 # /usr/share/perl5/Mail/SpamAssassin/Plugin/DKIM.pm checks
185 # if its signed with the registryboundaries domain. afaik:
186 # we need the actual domain to sign it, this would result in
187 # a second signature. I only use second level domains for
188 # testing atm, fsf doesnt use them for anything but the
189 # forum and I dont expect that to have any deliverability
190 # problems. So, not bothering atm.
195 if (( ${#results[@]} ||
${#missing[@]} )); then
196 printf "$HOSTNAME spamtest %s/%s\n" "$latest"
197 if (( ${#results[@]} )); then
198 printf "unexpected %s" "${!results[*]} "
200 if (( ${#missing[@]} )); then
201 printf "missing %s" "${missing[*]}"
204 echo mailtest-check
: cat $latest:
206 echo mailtest-check
: end of
cat
207 printf "$(tput setaf 5 2>/dev/null ||:)█$(tput sgr0 2>/dev/null||:)%.0s" $
(eval echo "{1..${COLUMNS:-60}}")
211 fi # if [[ $latest ]]
214 limit
=$
(( now
- 60 * min_limit
))
215 age_sec
=$
(( now
- last_sec
))
216 e $
((age_sec
/ 60)):$
(( age_sec
% 60 )) ago. to
:$to from
:$from $latest
218 if (( last_sec
<= limit
)); then
219 echo $HOSTNAME mailtest
$folder $from $
(date -d @
$last_sec +'%a %m-%d %H:%M')
221 # usec = unix seconds
223 mailtest_check_last_usec{folder="$folder",from="$from"} $last_sec
229 mailtest_check_unexpected_spamd_results $unexpected
233 dir
=/var
/lib
/prometheus
/node-exporter
234 if [[ -e $dir ]]; then
235 mv $dir/mailtest-check.prom.$$
$dir/mailtest-check.prom