In addition to the problem previously reported (failure to parse senders
table file), my mail log is now filling up with thousands of mail
delivery attempts followed by routing loop errors (see log excerpt below).
What is going on here?
# grep 4e2b678f249df806 /var/log/maillog
Dec 11 10:25:44 callistus smtpd[12838]: smtp-in: New session
4e2b678f249df806 from host callistus.datagenic.com [162.229.162.99]
Dec 11 10:25:44 callistus smtpd[12838]: smtp-in: Started TLS on session
4e2b678f249df806: version=TLSv1.2, cipher=ECDHE-RSA-CHACHA20-POLY1305,
bits=256
Dec 11 10:25:44 callistus smtpd[12838]: smtp-in: Accepted message
d054b0c6 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=3199, ndest=1, proto=ESMTP
Dec 11 10:25:45 callistus smtpd[12838]: smtp-in: Accepted message
dce65882 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=3487, ndest=1, proto=ESMTP
Dec 11 10:25:46 callistus smtpd[12838]: smtp-in: Accepted message
3552ae4f on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=3775, ndest=1, proto=ESMTP
Dec 11 10:25:47 callistus smtpd[12838]: smtp-in: Accepted message
49029e4a on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=4063, ndest=1, proto=ESMTP
Dec 11 10:25:48 callistus smtpd[12838]: smtp-in: Accepted message
065b48b0 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=4351, ndest=1, proto=ESMTP
Dec 11 10:25:49 callistus smtpd[12838]: smtp-in: Accepted message
be8636cc on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=4639, ndest=1, proto=ESMTP
Dec 11 10:25:51 callistus smtpd[12838]: smtp-in: Accepted message
816ef81d on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=4927, ndest=1, proto=ESMTP
Dec 11 10:25:52 callistus smtpd[12838]: smtp-in: Accepted message
83bbf830 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=5215, ndest=1, proto=ESMTP
Dec 11 10:25:53 callistus smtpd[12838]: smtp-in: Accepted message
6f99f3f0 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=5503, ndest=1, proto=ESMTP
Dec 11 10:25:54 callistus smtpd[12838]: smtp-in: Accepted message
393aa8c7 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=5791, ndest=1, proto=ESMTP
Dec 11 10:25:55 callistus smtpd[12838]: smtp-in: Accepted message
2827aba8 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=6079, ndest=1, proto=ESMTP
Dec 11 10:25:56 callistus smtpd[12838]: smtp-in: Accepted message
ca886b2a on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=6367, ndest=1, proto=ESMTP
Dec 11 10:25:57 callistus smtpd[12838]: smtp-in: Accepted message
8c97894c on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=6655, ndest=1, proto=ESMTP
Dec 11 10:25:58 callistus smtpd[12838]: smtp-in: Accepted message
5b3ad3aa on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=6943, ndest=1, proto=ESMTP
Dec 11 10:25:59 callistus smtpd[12838]: smtp-in: Accepted message
1ae6c7ef on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=7231, ndest=1, proto=ESMTP
Dec 11 10:26:00 callistus smtpd[12838]: smtp-in: Accepted message
90f5f13a on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=7519, ndest=1, proto=ESMTP
Dec 11 10:26:01 callistus smtpd[12838]: smtp-in: Accepted message
4d3efd30 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=7807, ndest=1, proto=ESMTP
Dec 11 10:26:02 callistus smtpd[12838]: smtp-in: Accepted message
4173c3fd on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=8095, ndest=1, proto=ESMTP
Dec 11 10:26:03 callistus smtpd[12838]: smtp-in: Accepted message
8686c8bc on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=8383, ndest=1, proto=ESMTP
Dec 11 10:26:04 callistus smtpd[12838]: smtp-in: Accepted message
20c98ea9 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=8671, ndest=1, proto=ESMTP
Dec 11 10:26:05 callistus smtpd[12838]: smtp-in: Accepted message
a0863b92 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=8959, ndest=1, proto=ESMTP
Dec 11 10:26:06 callistus smtpd[12838]: smtp-in: Accepted message
8e4fdb49 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=9247, ndest=1, proto=ESMTP
Dec 11 10:26:07 callistus smtpd[12838]: smtp-in: Accepted message
0f1df85c on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=9535, ndest=1, proto=ESMTP
Dec 11 10:26:08 callistus smtpd[12838]: smtp-in: Accepted message
5e44621b on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=9823, ndest=1, proto=ESMTP
Dec 11 10:26:09 callistus smtpd[12838]: smtp-in: Accepted message
a3a6ef1f on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=10111, ndest=1, proto=ESMTP
Dec 11 10:26:10 callistus smtpd[12838]: smtp-in: Accepted message
6d75ed1e on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=10399, ndest=1, proto=ESMTP
Dec 11 10:26:11 callistus smtpd[12838]: smtp-in: Accepted message
751c66a5 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=10687, ndest=1, proto=ESMTP
Dec 11 10:26:12 callistus smtpd[12838]: smtp-in: Accepted message
4205e860 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=10975, ndest=1, proto=ESMTP
Dec 11 10:26:13 callistus smtpd[12838]: smtp-in: Accepted message
aec203cb on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=11263, ndest=1, proto=ESMTP
Dec 11 10:26:14 callistus smtpd[12838]: smtp-in: Accepted message
6045ccfa on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=11551, ndest=1, proto=ESMTP
Dec 11 10:26:15 callistus smtpd[12838]: smtp-in: Accepted message
630a0b23 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=11839, ndest=1, proto=ESMTP
Dec 11 10:26:16 callistus smtpd[12838]: smtp-in: Accepted message
3b87144a on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=12127, ndest=1, proto=ESMTP
Dec 11 10:26:17 callistus smtpd[12838]: smtp-in: Accepted message
b8a95075 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=12415, ndest=1, proto=ESMTP
Dec 11 10:26:18 callistus smtpd[12838]: smtp-in: Accepted message
39441e35 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=12703, ndest=1, proto=ESMTP
Dec 11 10:26:19 callistus smtpd[12838]: smtp-in: Accepted message
e69a5703 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=12991, ndest=1, proto=ESMTP
Dec 11 10:26:20 callistus smtpd[12838]: smtp-in: Accepted message
9056a973 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=13279, ndest=1, proto=ESMTP
Dec 11 10:26:21 callistus smtpd[12838]: smtp-in: Accepted message
4424b5ce on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=13567, ndest=1, proto=ESMTP
Dec 11 10:26:22 callistus smtpd[12838]: smtp-in: Accepted message
a3693064 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=13855, ndest=1, proto=ESMTP
Dec 11 10:26:23 callistus smtpd[12838]: smtp-in: Accepted message
8831e062 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=14143, ndest=1, proto=ESMTP
Dec 11 10:26:24 callistus smtpd[12838]: smtp-in: Accepted message
43d2b157 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=14431, ndest=1, proto=ESMTP
Dec 11 10:26:25 callistus smtpd[12838]: smtp-in: Accepted message
2c409b77 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=14719, ndest=1, proto=ESMTP
Dec 11 10:26:26 callistus smtpd[12838]: smtp-in: Accepted message
7326763b on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=15007, ndest=1, proto=ESMTP
Dec 11 10:26:27 callistus smtpd[12838]: smtp-in: Accepted message
1487b155 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=15295, ndest=1, proto=ESMTP
Dec 11 10:26:28 callistus smtpd[12838]: smtp-in: Accepted message
085e7e4f on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=15583, ndest=1, proto=ESMTP
Dec 11 10:26:29 callistus smtpd[12838]: smtp-in: Accepted message
8187de0e on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=15871, ndest=1, proto=ESMTP
Dec 11 10:26:30 callistus smtpd[12838]: smtp-in: Accepted message
7d86e40e on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=16159, ndest=1, proto=ESMTP
Dec 11 10:26:31 callistus smtpd[12838]: smtp-in: Accepted message
6cfe091e on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=16447, ndest=1, proto=ESMTP
Dec 11 10:26:32 callistus smtpd[12838]: smtp-in: Accepted message
674d553d on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=16735, ndest=1, proto=ESMTP
Dec 11 10:26:33 callistus smtpd[12838]: smtp-in: Accepted message
140c4fae on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=17023, ndest=1, proto=ESMTP
Dec 11 10:26:34 callistus smtpd[12838]: smtp-in: Accepted message
07522f11 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=17311, ndest=1, proto=ESMTP
Dec 11 10:26:35 callistus smtpd[12838]: smtp-in: Accepted message
dbc355ce on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=17599, ndest=1, proto=ESMTP
Dec 11 10:26:37 callistus smtpd[12838]: smtp-in: Accepted message
b9d10c7e on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=17887, ndest=1, proto=ESMTP
Dec 11 10:26:38 callistus smtpd[12838]: smtp-in: Accepted message
410d9d03 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=18175, ndest=1, proto=ESMTP
Dec 11 10:26:39 callistus smtpd[12838]: smtp-in: Accepted message
f1f960e8 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=18463, ndest=1, proto=ESMTP
Dec 11 10:26:40 callistus smtpd[12838]: smtp-in: Accepted message
424b6f30 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=18751, ndest=1, proto=ESMTP
Dec 11 10:26:41 callistus smtpd[12838]: smtp-in: Accepted message
dd05bdc7 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=19039, ndest=1, proto=ESMTP
Dec 11 10:26:42 callistus smtpd[12838]: smtp-in: Accepted message
b2ba02e8 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=19327, ndest=1, proto=ESMTP
Dec 11 10:26:43 callistus smtpd[12838]: smtp-in: Accepted message
cf702b7d on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=19615, ndest=1, proto=ESMTP
Dec 11 10:26:44 callistus smtpd[12838]: smtp-in: Accepted message
b846b358 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=19903, ndest=1, proto=ESMTP
Dec 11 10:26:45 callistus smtpd[12838]: smtp-in: Accepted message
ae79aee9 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=20191, ndest=1, proto=ESMTP
Dec 11 10:26:46 callistus smtpd[12838]: smtp-in: Accepted message
943e6a51 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=20479, ndest=1, proto=ESMTP
Dec 11 10:26:47 callistus smtpd[12838]: smtp-in: Accepted message
e0294c12 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=20767, ndest=1, proto=ESMTP
Dec 11 10:26:48 callistus smtpd[12838]: smtp-in: Accepted message
a2b396b2 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=21055, ndest=1, proto=ESMTP
Dec 11 10:26:49 callistus smtpd[12838]: smtp-in: Accepted message
d56634ea on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=21343, ndest=1, proto=ESMTP
Dec 11 10:26:50 callistus smtpd[12838]: smtp-in: Accepted message
c9fe6951 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=21631, ndest=1, proto=ESMTP
Dec 11 10:26:51 callistus smtpd[12838]: smtp-in: Accepted message
da1af232 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=21919, ndest=1, proto=ESMTP
Dec 11 10:26:52 callistus smtpd[12838]: smtp-in: Accepted message
f414a269 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=22207, ndest=1, proto=ESMTP
Dec 11 10:26:53 callistus smtpd[12838]: smtp-in: Accepted message
d4e1e193 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=22495, ndest=1, proto=ESMTP
Dec 11 10:26:54 callistus smtpd[12838]: smtp-in: Accepted message
c1b17d1e on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=22783, ndest=1, proto=ESMTP
Dec 11 10:26:55 callistus smtpd[12838]: smtp-in: Accepted message
d3983a5c on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=23071, ndest=1, proto=ESMTP
Dec 11 10:26:56 callistus smtpd[12838]: smtp-in: Accepted message
1474025b on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=23359, ndest=1, proto=ESMTP
Dec 11 10:26:57 callistus smtpd[12838]: smtp-in: Accepted message
411c0435 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=23647, ndest=1, proto=ESMTP
Dec 11 10:26:58 callistus smtpd[12838]: smtp-in: Accepted message
cc977159 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=23935, ndest=1, proto=ESMTP
Dec 11 10:26:59 callistus smtpd[12838]: smtp-in: Accepted message
5b82038f on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=24223, ndest=1, proto=ESMTP
Dec 11 10:27:00 callistus smtpd[12838]: smtp-in: Accepted message
2a496816 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=24511, ndest=1, proto=ESMTP
Dec 11 10:27:01 callistus smtpd[12838]: smtp-in: Accepted message
e620519a on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=24799, ndest=1, proto=ESMTP
Dec 11 10:27:02 callistus smtpd[12838]: smtp-in: Accepted message
0c3988a7 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=25087, ndest=1, proto=ESMTP
Dec 11 10:27:03 callistus smtpd[12838]: smtp-in: Accepted message
5a449f79 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=25375, ndest=1, proto=ESMTP
Dec 11 10:27:04 callistus smtpd[12838]: smtp-in: Accepted message
d38e4a3a on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=25663, ndest=1, proto=ESMTP
Dec 11 10:27:05 callistus smtpd[12838]: smtp-in: Accepted message
caa914c1 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=25951, ndest=1, proto=ESMTP
Dec 11 10:27:06 callistus smtpd[12838]: smtp-in: Accepted message
fc8797d5 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=26239, ndest=1, proto=ESMTP
Dec 11 10:27:07 callistus smtpd[12838]: smtp-in: Accepted message
ef5ad34b on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=26527, ndest=1, proto=ESMTP
Dec 11 10:27:08 callistus smtpd[12838]: smtp-in: Accepted message
ff5d7842 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=26815, ndest=1, proto=ESMTP
Dec 11 10:27:09 callistus smtpd[12838]: smtp-in: Accepted message
c607c5a0 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=27103, ndest=1, proto=ESMTP
Dec 11 10:27:10 callistus smtpd[12838]: smtp-in: Accepted message
9b052d94 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=27391, ndest=1, proto=ESMTP
Dec 11 10:27:11 callistus smtpd[12838]: smtp-in: Accepted message
cb5de507 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=27679, ndest=1, proto=ESMTP
Dec 11 10:27:12 callistus smtpd[12838]: smtp-in: Accepted message
6e09ca03 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=27967, ndest=1, proto=ESMTP
Dec 11 10:27:13 callistus smtpd[12838]: smtp-in: Accepted message
2acfc53e on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=28255, ndest=1, proto=ESMTP
Dec 11 10:27:14 callistus smtpd[12838]: smtp-in: Accepted message
6ebd1523 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=28543, ndest=1, proto=ESMTP
Dec 11 10:27:15 callistus smtpd[12838]: smtp-in: Accepted message
4a03567f on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=28831, ndest=1, proto=ESMTP
Dec 11 10:27:16 callistus smtpd[12838]: smtp-in: Accepted message
f0323e17 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=29119, ndest=1, proto=ESMTP
Dec 11 10:27:17 callistus smtpd[12838]: smtp-in: Accepted message
5a340be8 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=29407, ndest=1, proto=ESMTP
Dec 11 10:27:18 callistus smtpd[12838]: smtp-in: Accepted message
3b0ce7c8 on session 4e2b678f249df806:
from=<[email protected]>,
to=<[email protected]>, size=29695, ndest=1, proto=ESMTP
Dec 11 10:27:19 callistus smtpd[12838]: smtp-in: Failed command on
session 4e2b678f249df806: "DATA" => 500 5.4.6 Routing loop detected:
Loop detected
Dec 11 10:27:30 callistus smtpd[12838]: smtp-in: Closing session
4e2b678f249df806
#
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