https://bugs.exim.org/show_bug.cgi?id=2638
Bug ID: 2638
Summary: retry database / first failed doesn't correlate with
logs: success recorded as failure, result retry times
exceeded
Product: Exim
Version: 4.92
Hardware: x86
OS: Linux
Status: NEW
Severity: bug
Priority: medium
Component: Routing
Assignee: unallocated@???
Reporter: grin@???
CC: exim-dev@???
Similar to (but not the same as) #463 or #636.
The main difference is that I have a difference between the logs and the hints,
also I have no special retry rules.
exinext says:
Route: xxx@???:<xxx@???> error -44: H=secure500.t-systems.com
[94.100.254.155]: SMTP error from remote mail server after RCPT
TO:<xxx@???>: 451 Now greylisted - pleas
first failed: 19-Aug-2020 09:24:02
last tried: 28-Aug-2020 12:53:30
next try at: 28-Aug-2020 18:53:30
past final cutoff time
However the specific logs tell me:
2020-08-19 09:21:46 1k8IPn-005VSw-0Y <= xxx@??? H=...
2020-08-19 09:21:50 1k8IPn-005VSw-0Y H=secure100.t-systems.com [46.29.101.2]:
SMTP error from remote mail server after RCPT TO:<xxx@???>: 451 Now
greylisted - please try again in five minutes.
2020-08-19 09:21:50 1k8IPn-005VSw-0Y H=secure100.t-systems.com [46.29.101.2]:
SMTP error from remote mail server after RCPT TO:<yyy@???>: 451 Now
greylisted - please try again in five minutes.
2020-08-19 09:21:50 1k8IPn-005VSw-0Y H=secure100.t-systems.com [46.29.101.2]:
SMTP error from remote mail server after RCPT TO:<zzz@???>: 451 Now
greylisted - please try again in five minutes.
2020-08-19 09:24:00 1k8IPn-005VSw-0Y H=secure100.t-systems.com
[217.150.155.10] Connection timed out
2020-08-19 09:24:02 1k8IPn-005VSw-0Y => xxx@??? <xxx@???> R=dnslookup
T=remote_smtp H=secure100.t-systems.com [217.150.155.12]
X=TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256 CV=no DN="C=DE,O=Deutsche Telekom
Security GmbH,OU=Managed
AntiSpam,ST=Schleswig-Holstein,L=Kiel,CN=*.mas.t-systems-service.com" K C="250-
67663 byte chunk, total 68894\\n250 OK id=1k8IS1-0003gU-RC" QT=2m19s DT=1s
2020-08-19 09:24:02 1k8IPn-005VSw-0Y -> yyy@??? <yyy@???> R=dnslookup
T=remote_smtp H=secure100.t-systems.com [217.150.155.12]
X=TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256 CV=no DN="C=DE,O=Deutsche Tele
kom Security GmbH,OU=Managed
AntiSpam,ST=Schleswig-Holstein,L=Kiel,CN=*.mas.t-systems-service.com" K C="250-
67663 byte chunk, total 68894\\n250 OK id=1k8IS1-0003gU-RC" QT=2m19s DT=1s
2020-08-19 09:24:02 1k8IPn-005VSw-0Y -> zzz@??? <zzz@???> R=dnslookup
T=remote_smtp H=secure100.t-systems.com [217.150.155.12]
X=TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256 CV=no DN="C=DE,O=Deutsche Tele
kom Security GmbH,OU=Managed
AntiSpam,ST=Schleswig-Holstein,L=Kiel,CN=*.mas.t-systems-service.com" K C="250-
67663 byte chunk, total 68894\\n250 OK id=1k8IS1-0003gU-RC" QT=2m19s DT=1s
2020-08-19 09:24:02 1k8IPn-005VSw-0Y Completed QT=2m19s
So it does not seem to be failed at "first failed" time.
On "last tried" it was showing my reported problem: exim tried to deliver,
again, and 5 MX responded 451 for all the recipients (5x4=20 times in total),
and then I got what I didn't want to:
2020-08-25 15:26:47 1kAYy7-00B0GU-8s ** xxx@???: retry timeout exceeded
2020-08-25 15:26:47 1kAYy7-00B0GU-8s ** yyy@???: retry timeout exceeded
2020-08-25 15:26:47 1kAYy7-00B0GU-8s ** ppp@???: retry timeout exceeded
2020-08-25 15:26:47 1kAYy7-00B0GU-8s ** xxx@???: retry timeout exceeded
2020-08-25 15:26:47 1kAYyN-00B0ok-Im <= <> R=1kAYy7-00B0GU-8s U=Debian-exim
P=local S=4708 T="Mail delivery failed/A level nem kezbesitheto : returning
message to sender/vissza a feladonak"
2020-08-25 15:26:47 1kAYy7-00B0GU-8s Completed QT=16s
Clearly "first failed" was long time ago, but since it was a success there
weren't any non-failed deliveries (nor retries) since, so the current 4xx
immediately got cutoff and bounced.
I have no special retry rules (apart from changed times):
exim4 -brt xxx@???
Retry rule: * * F,12h,15m; G,16h,1h,1.5; F,4d,6h;
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