On 2003-03-27 20:50, Tuc <[EMAIL PROTECTED]> wrote:
> So why does the other IP (The server) have issues too? What can you
> say about that one? (vjofn.ttsg.com)
>
> Below is the TCPDUMP, last 2 are after its failed are a ping of
> another system.
>
> himinbjorg# tcpdump -s 4096 -X -n
> tcpdump: listening on xl0
> 20:45:42.491631 192.168.3.21.1024 > 205.152.0.58.53:  674 [1au] AAAA? 
> mail-fwd.bellsouth-hosting.net. (59)
> 0x0000         4500 0057 4b5e 0000 4011 0000 c0a8 0315        [EMAIL PROTECTED]
> 0x0010         cd98 003a 0400 0035 0043 eea6 02a2 0000        ...:...5.C......
> 0x0020         0001 0000 0000 0001 086d 6169 6c2d 6677        .........mail-fw
> 0x0030         6411 6265 6c6c 736f 7574 682d 686f 7374        d.bellsouth-host
> 0x0040         696e 6703 6e65 7400 001c 0001 0000 2910        ing.net.......).
> 0x0050         0000 0000 0000 00                              .......
> 20:45:42.491704 192.168.3.21.1024 > 205.152.0.58.53:  6317 [1au] A6? 
> mail-fwd.bellsouth-hosting.net. (59)
> 0x0000         4500 0057 4b5f 0000 4011 0000 c0a8 0315        [EMAIL PROTECTED]
> 0x0010         cd98 003a 0400 0035 0043 d891 18ad 0000        ...:...5.C......
> 0x0020         0001 0000 0000 0001 086d 6169 6c2d 6677        .........mail-fw
> 0x0030         6411 6265 6c6c 736f 7574 682d 686f 7374        d.bellsouth-host
> 0x0040         696e 6703 6e65 7400 0026 0001 0000 2910        ing.net..&....).
> 0x0050         0000 0000 0000 00                              .......
> 20:45:42.492563 192.168.3.21.1024 > 205.152.0.58.53:  6465 [1au] AAAA? 
> mail-fwd.bellsouth-hosting.net. (59)
> 0x0000         4500 0057 4b62 0000 4011 0000 c0a8 0315        [EMAIL PROTECTED]
> 0x0010         cd98 003a 0400 0035 0043 d807 1941 0000        ...:...5.C...A..
> 0x0020         0001 0000 0000 0001 086d 6169 6c2d 6677        .........mail-fw
> 0x0030         6411 6265 6c6c 736f 7574 682d 686f 7374        d.bellsouth-host
> 0x0040         696e 6703 6e65 7400 001c 0001 0000 2910        ing.net.......).
> 0x0050         0000 0000 0000 00                              .......
> 20:45:42.524716 205.152.0.58.53 > 192.168.3.21.1024:  674 ServFail 0/0/1 (59) (DF)
> 0x0000         4500 0057 8da3 4000 eb11 7062 cd98 003a        [EMAIL PROTECTED]:
> 0x0010         c0a8 0315 0035 0400 0043 6e24 02a2 8082        .....5...Cn$....
> 0x0020         0001 0000 0000 0001 086d 6169 6c2d 6677        .........mail-fw
> 0x0030         6411 6265 6c6c 736f 7574 682d 686f 7374        d.bellsouth-host
> 0x0040         696e 6703 6e65 7400 001c 0001 0000 2910        ing.net.......).
> 0x0050         0000 0000 0000 00                              .......

Ah, this makes so much more sense... thanks for including the tcpdump
output.  This is not a problem of your sendmail installation.  It's a
misconfigured name server at bellsouth-hosting.net returning ServFail
instead of NoData or NxDomain.

See the reply of Gregory Shapiro to a similar problem at the following
thread (please copy the URL to a single line if a mailer happens to
wrap it in more than one line):

http://groups.google.com/groups?q=%2Bauthor:shapiro+%2BAAAA+%2Bsendmail&hl=en&lr=&ie=UTF-8&oe=ISO-8859-1&selm=fa.llm8ijv.608c06%40ifi.uio.no&rnum=4

- Giorgos

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