Mail problem
"Martin R. Ehmsen" <martin-U/[email protected]> Sun, 22 Mar 2009 10:04:46 +0100
| Newsgroups | gmane.org.user-groups.flug.general |
|---|---|
| Message-ID | <[email protected]> |
Hej flug
Jeg har et Exim/Netv=E6rks-problem og jeg er bange for at jeg "in over =20=
my head", s=E5 jeg h=E5ber p=E5 lidt hj=E6lp :-)
Problemet er kort fortalt at nogle hosts ikke kan aflevere mails til =20
min mailserver, mens andres hosts sagtens kan komme igennem uden =20
problemer.
Jeg har selvf=F8lgelig fors=F8gt at debugge problemet i Exim f=F8rst. Og =
=20
f=F8lgende viser at den afsendende host godt kan komme igennem i f=F8rste =
=20
omgang (Exim debug output med -d+all):
08:50:50 31418 sender_fullhost =3D [130.225.128.12]
08:50:50 31418 sender_rcvhost =3D [130.225.128.12]
08:50:50 31418 Process 31418 is handling incoming connection from =20
[130.225.128.12]
08:50:50 31418 host in host_lookup? yes (matched "*")
08:50:50 31418 looking up host name for 130.225.128.12
08:50:50 31418 DNS lookup of 12.128.225.130.in-addr.arpa (PTR) succeeded
08:50:50 31418 IP address lookup yielded berlioz.imada.sdu.dk
08:50:50 31418 gethostbyname2(af=3Dinet6) returned 4 (NO_DATA)
08:50:50 31418 gethostbyname2 looked up these IP addresses:
08:50:50 31418 name=3Dberlioz.imada.sdu.dk address=3D130.225.128.12
08:50:50 31418 checking addresses for berlioz.imada.sdu.dk
08:50:50 31418 130.225.128.12 OK
08:50:50 31418 sender_fullhost =3D berlioz.imada.sdu.dk [130.225.128.12]
08:50:50 31418 sender_rcvhost =3D berlioz.imada.sdu.dk =
([130.225.128.12])
08:50:50 31418 set_process_info: 31418 handling incoming connection =20
from berlioz.imada.sdu.dk [130.225.128.12]
S=E5 berlioz.imada.sdu.dk kan godt lave handshake med min server og de =20=
forts=E6tter med at snakke sammen, mens min server tjekker =20
berlioz.imada.sdu.dk i acl_smtp_connect, og derefter g=E5r forbindelsen =20=
i st=E5:
08:51:25 31418 delay modifier requests 0-second delay
08:51:25 31418 accept: condition test succeeded
08:51:25 31418 expanding: $smtp_active_hostname ESMTP Exim =20
$version_number $tod_full
08:51:25 31418 result: ehmsen.org ESMTP Exim 4.69 Sun, 22 Mar 2009 =20=
08:51:25 +0100
08:51:25 31418 SMTP>> 220 ehmsen.org ESMTP Exim 4.69 Sun, 22 Mar 2009 =20=
08:51:25 +0100
08:51:25 31418 Process 31418 is ready for new message
08:51:25 31418 smtp_setup_msg entered
08:55:50 31418 SMTP>> 421 ehmsen.org lost input connection
08:55:50 31418 LOG: smtp_connection MAIN
08:55:50 31418 SMTP connection from berlioz.imada.sdu.dk =20
[130.225.128.12] lost
08:55:50 31418 search_tidyup called
08:55:50 31414 child 31418 ended: status=3D0x100
Som I kan se s=E5 g=E5r alt fint, set fra min servers side. Men der =
kommer =20
ikke mere igennem fra berlioz.imada.sdu.dk og efter 5 min (default =20
timeout i Exim) lukker min side forbindelsen ned.
Ovenst=E5ende giver desv=E6rre ikke meget hj=E6lp i form af hvad der =
skulle =20
v=E6re galt, s=E5 jeg har ogs=E5 pr=F8vet at lave et tcpdump af samtalen =
=20
mellem min server og berlioz.imada.sdu.dk:
No. Time Source Destination =20
Protocol Info
1 0.000000 130.225.128.12 192.168.1.3 =20
TCP 52262 > smtp [SYN] Seq=3D0 Win=3D49640 Len=3D0 MSS=3D1460
2 0.000069 192.168.1.3 130.225.128.12 =20
TCP smtp > 52262 [SYN, ACK] Seq=3D0 Ack=3D1 Win=3D5840 Len=3D0 =
MSS=3D1460
3 0.029071 130.225.128.12 192.168.1.3 =20
TCP 52262 > smtp [ACK] Seq=3D1 Ack=3D1 Win=3D49640 Len=3D0
4 35.376333 192.168.1.3 130.225.128.12 =20
SMTP S: 220 ehmsen.org ESMTP Exim 4.69 Sun, 22 Mar 2009 08:44:05 =20
+0100
5 38.374295 192.168.1.3 130.225.128.12 =20
SMTP [TCP Retransmission] S: 220 ehmsen.org ESMTP Exim 4.69 Sun, =20
22 Mar 2009 08:44:05 +0100
6 44.371214 192.168.1.3 130.225.128.12 =20
SMTP [TCP Retransmission] S: 220 ehmsen.org ESMTP Exim 4.69 Sun, =20
22 Mar 2009 08:44:05 +0100
7 56.365055 192.168.1.3 130.225.128.12 =20
SMTP [TCP Retransmission] S: 220 ehmsen.org ESMTP Exim 4.69 Sun, =20
22 Mar 2009 08:44:05 +0100
8 80.352734 192.168.1.3 130.225.128.12 =20
SMTP [TCP Retransmission] S: 220 ehmsen.org ESMTP Exim 4.69 Sun, =20
22 Mar 2009 08:44:05 +0100
9 128.342463 192.168.1.3 130.225.128.12 =20
SMTP [TCP Retransmission] S: 220 ehmsen.org ESMTP Exim 4.69 Sun, =20
22 Mar 2009 08:44:05 +0100
10 148.972585 130.225.128.12 192.168.1.3 =20
TCP 52339 > smtp [SYN] Seq=3D0 Win=3D49640 Len=3D0 MSS=3D1460
11 148.972646 192.168.1.3 130.225.128.12 =20
TCP smtp > 52339 [SYN, ACK] Seq=3D0 Ack=3D1 Win=3D5840 Len=3D0 =
MSS=3D1460
12 149.002197 130.225.128.12 192.168.1.3 =20
TCP 52339 > smtp [ACK] Seq=3D1 Ack=3D1 Win=3D49640 Len=3D0
13 184.309701 192.168.1.3 130.225.128.12 =20
SMTP S: 220 ehmsen.org ESMTP Exim 4.69 Sun, 22 Mar 2009 08:46:34 =20
+0100
14 187.309662 192.168.1.3 130.225.128.12 =20
SMTP [TCP Retransmission] S: 220 ehmsen.org ESMTP Exim 4.69 Sun, =20
22 Mar 2009 08:46:34 +0100
15 193.309580 192.168.1.3 130.225.128.12 =20
SMTP [TCP Retransmission] S: 220 ehmsen.org ESMTP Exim 4.69 Sun, =20
22 Mar 2009 08:46:34 +0100
16 205.309421 192.168.1.3 130.225.128.12 =20
SMTP [TCP Retransmission] S: 220 ehmsen.org ESMTP Exim 4.69 Sun, =20
22 Mar 2009 08:46:34 +0100
17 224.341160 192.168.1.3 130.225.128.12 =20
SMTP [TCP Retransmission] S: 220 ehmsen.org ESMTP Exim 4.69 Sun, =20
22 Mar 2009 08:44:05 +0100
18 229.309103 192.168.1.3 130.225.128.12 =20
SMTP [TCP Retransmission] S: 220 ehmsen.org ESMTP Exim 4.69 Sun, =20
22 Mar 2009 08:46:34 +0100
19 277.308465 192.168.1.3 130.225.128.12 =20
SMTP [TCP Retransmission] S: 220 ehmsen.org ESMTP Exim 4.69 Sun, =20
22 Mar 2009 08:46:34 +0100
20 300.005750 130.225.128.12 192.168.1.3 =20
TCP 52262 > smtp [FIN, ACK] Seq=3D1 Ack=3D1 Win=3D49640 Len=3D0
21 300.006417 192.168.1.3 130.225.128.12 =20
SMTP S: 421 ehmsen.org lost input connection
22 300.035798 130.225.128.12 192.168.1.3 =20
TCP 52262 > smtp [RST] Seq=3D2 Win=3D49640 Len=3D0
23 327.894813 192.168.1.3 130.225.128.12 =20
TCP smtp > 52339 [FIN, ACK] Seq=3D65 Ack=3D1 Win=3D5840 Len=3D0
24 373.307190 192.168.1.3 130.225.128.12 =20
SMTP [TCP Retransmission] S: 220 ehmsen.org ESMTP Exim 4.69 Sun, =20
22 Mar 2009 08:46:34 +0100
25 440.170753 130.225.128.12 192.168.1.3 =20
TCP 52504 > smtp [SYN] Seq=3D0 Win=3D49640 Len=3D0 MSS=3D1460
26 440.170811 192.168.1.3 130.225.128.12 =20
TCP smtp > 52504 [SYN, ACK] Seq=3D0 Ack=3D1 Win=3D5840 Len=3D0 =
MSS=3D1460
27 440.199477 130.225.128.12 192.168.1.3 =20
TCP 52504 > smtp [ACK] Seq=3D1 Ack=3D1 Win=3D49640 Len=3D0
28 449.018797 130.225.128.12 192.168.1.3 =20
TCP 52339 > smtp [FIN, ACK] Seq=3D1 Ack=3D1 Win=3D49640 Len=3D0
29 449.018844 192.168.1.3 130.225.128.12 =20
TCP smtp > 52339 [ACK] Seq=3D66 Ack=3D2 Win=3D5840 Len=3D0
30 475.541583 192.168.1.3 130.225.128.12 =20
SMTP S: 220 ehmsen.org ESMTP Exim 4.69 Sun, 22 Mar 2009 08:51:25 =20
+0100
31 478.537785 192.168.1.3 130.225.128.12 =20
SMTP [TCP Retransmission] S: 220 ehmsen.org ESMTP Exim 4.69 Sun, =20
22 Mar 2009 08:51:25 +0100
32 484.537702 192.168.1.3 130.225.128.12 =20
SMTP [TCP Retransmission] S: 220 ehmsen.org ESMTP Exim 4.69 Sun, =20
22 Mar 2009 08:51:25 +0100
33 496.537545 192.168.1.3 130.225.128.12 =20
SMTP [TCP Retransmission] S: 220 ehmsen.org ESMTP Exim 4.69 Sun, =20
22 Mar 2009 08:51:25 +0100
34 520.537226 192.168.1.3 130.225.128.12 =20
SMTP [TCP Retransmission] S: 220 ehmsen.org ESMTP Exim 4.69 Sun, =20
22 Mar 2009 08:51:25 +0100
35 568.536588 192.168.1.3 130.225.128.12 =20
SMTP [TCP Retransmission] S: 220 ehmsen.org ESMTP Exim 4.69 Sun, =20
22 Mar 2009 08:51:25 +0100
36 664.535297 192.168.1.3 130.225.128.12 =20
SMTP [TCP Retransmission] S: 220 ehmsen.org ESMTP Exim 4.69 Sun, =20
22 Mar 2009 08:51:25 +0100
37 740.210240 130.225.128.12 192.168.1.3 =20
TCP 52504 > smtp [FIN, ACK] Seq=3D1 Ack=3D1 Win=3D49640 Len=3D0
38 740.211014 192.168.1.3 130.225.128.12 =20
SMTP S: 421 ehmsen.org lost input connection
39 740.240275 130.225.128.12 192.168.1.3 =20
TCP 52504 > smtp [RST] Seq=3D2 Win=3D49640 Len=3D0
Her er det s=E5 at jeg er "in over my head" for jeg er ikke specielt =20
skarp til at tyde og forst=E5 TCP. Er der nogen som har et bud p=E5 =20
hvorfor forbindelsen pludseligt forsvinder og det er altid p=E5 samme =20=
sted, nemlig lige efter acl_smtp_connect?
Martin=
--
flug-misc mailing list
[email protected]
To unsubscribe send a mail to [email protected]