Re: [Exim] Some domains reject Just my exim connections

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Autor: hanasaki
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A: Exim Users Mailing List
Assumpte: Re: [Exim] Some domains reject Just my exim connections
Below is the output of traceroute. One response suggested that my IP is
blocked completely. I realize that the www and mx hosts have different
IP addresses; however the odd thing is that I cannot telnet to www on
port 80 yet can browse it <telneting host is directly on the internet>.
The other aspect is that I have recently gotten a new IP address.

To further complicate the situation:
    - my squid proxy is not able to browse a site "www.wdc.com" <Western Digital>
    - I cannot telnet to www.wdc.com 80
    - I can browse www.wdc.com if 80 is NAT'ed and squid is not used
    - Squid is working fine for all other sites


Is it possible there is a transparent http proxy somewhere in the route?
How would I find out?

I am really lost on this. Anymore ideas?

traceroute to skmx01p1.americancentury.com (64.57.40.35) ...
1 10.61.96.1 (10.61.96.1) 10.190 ms 8.414 ms 7.733 ms
2 pos6-0.kscymoworn-rtr1.kc.rr.com (24.94.161.161) 8.446 ms 12.975
ms 11.815 ms
3 rdc-gsr-b-pos1-0.kc.rr.com (24.94.161.42) 10.225 ms 8.798 ms
7.879 ms
4 24.94.160.194 (24.94.160.194) 8.411 ms 9.248 ms 10.529 ms
5 24.94.164.11 (24.94.164.11) 10.180 ms 8.873 ms 14.409 ms
6 pop2-kcy-P2-0.atdn.net (64.236.4.217) 17.435 ms 9.967 ms 10.675 ms
7 bb2-kcy-P0-1.atdn.net (64.236.4.213) 26.022 ms 239.092 ms 238.419 ms
8 pop1-kcy-P1-0.atdn.net (64.236.4.198) 13.779 ms 16.283 ms 11.448 ms
9 sl-gw16-kc-9-0.sprintlink.net (144.232.131.65) 14.196 ms 10.768
ms 9.624 ms
10 sl-bb21-kc-8-0.sprintlink.net (144.232.23.69) 10.938 ms 10.526 ms
10.019 ms
11 sl-gw9-kc-9-0.sprintlink.net (144.232.23.66) 13.755 ms 10.560 ms
10.562 ms
12 sl-american-6-0.sprintlink.net (160.81.18.174) 11.059 ms 12.191 ms
12.781 ms
13 * * *
14 *

traceroute to www.wdc.com (129.253.170.30), 30 hops max, 38 byte packets
1 10.61.96.1 (10.61.96.1) 61.281 ms 58.114 ms 23.336 ms
2 pos6-0.kscymoworn-rtr1.kc.rr.com (24.94.161.161) 13.114 ms 10.330
ms 9.280 ms
3 rdc-gsr-b-pos1-0.kc.rr.com (24.94.161.42) 8.506 ms 8.773 ms 8.090 ms
4 24.94.160.193 (24.94.160.193) 12.118 ms 8.472 ms 9.976 ms
5 pop2-kcy-P2-0.atdn.net (64.236.4.217) 10.821 ms 9.213 ms 10.001 ms
6 bb2-kcy-P0-1.atdn.net (64.236.4.213) 13.279 ms 10.071 ms 9.698 ms
7 bb2-dal-P6-0.atdn.net (64.236.7.21) 26.648 ms 20.624 ms 24.595 ms
8 pop1-dal-P0-1.atdn.net (66.185.141.62) 23.115 ms 26.526 ms 22.123 ms
9 Level3.atdn.net (66.185.141.50) 23.486 ms 21.082 ms 21.588 ms
10 unknown.Level3.net (64.159.3.54) 21.880 ms 25.238 ms 23.097 ms
11 so-3-0-0.mp1.SanFrancisco1.Level3.net (209.247.8.89) 64.220 ms
62.378 ms 62.579 ms
12 pos8-0.core1.SanFrancisco1.Level3.net (209.247.10.226) 62.330 ms
63.099 ms 60.987 ms
13 unknown.Level3.net (166.90.50.158) 69.778 ms 64.034 ms 63.742 ms
14 tbr2-p013802.sffca.ip.att.net (12.122.11.229) 73.122 ms 79.135 ms
67.472 ms
15 gbr2-p40.sffca.ip.att.net (12.122.11.86) 66.680 ms 63.552 ms
63.288 ms
16 gar1-p370.sffca.ip.att.net (12.123.13.61) 97.731 ms 64.281 ms
62.938 ms
17 12.127.201.146 (12.127.201.146) 76.819 ms 77.578 ms 72.738 ms
18 *


Greg A. Woods wrote:
> [ On Thursday, March 21, 2002 at 22:47:19 (-0600), hanasaki wrote: ]
>
>>Subject: [Exim] Some domains reject Just my exim connections
>>
>>I cant even telnet to port 25.
>
>
> It works for me :-)
>
>     $ host -t mx americancentury.com
>     americancentury.com     MX      10 skmx01p1.americancentury.com
>     americancentury.com     MX      15 skmx02p1.americancentury.com

>
>     $ telnet skmx01p1.americancentury.com 25
>     Trying 64.57.40.35...
>     Connected to skmx01p1.americancentury.com.
>     Escape character is '^]'.
>     220 skmx01p1.americancentury.com ESMTP Sendmail 8.12.2/8.12.2; Fri, 22 Mar 2002 01:46:04 -0600 (CST)
>     quit
>     221 2.0.0 skmx01p1.americancentury.com closing connection
>     Connection closed by foreign host.

>
> Did you check with ping _and_ traceroute too?
>
>
>
>> Telnet to port 80 times out. Browsing
>>http on port 80 works.
>
>
> That's simply not possible unless you're using an HTTP proxy on a
> different host for your browsing.
>
> --
>                                 Greg A. Woods

>
> +1 416 218-0098; <gwoods@???>; <g.a.woods@???>; <woods@???>
> Planix, Inc. <woods@???>; VE3TCP; Secrets of the Weird <woods@???>
>
> --
>
> ## List details at http://www.exim.org/mailman/listinfo/exim-users Exim details at http://www.exim.org/ ##
>
>



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