Internal sendmail problems

O'Connor, Kevin KevinO'Connor at merseyfire.gov.uk
Wed Jan 2 16:15:01 GMT 2008


Mark,=0D=0A=0D=0AI ran tcpdump as you suggested and I'm seeing lots of the =
following=0D=0A=0D=0A15:53:08.372068 IP (tos 0x0, ttl  64, id 25688, offset=
 0, flags [none],=0D=0Aproto: UDP (17), length: 57, bad cksum 0 (->ac3a)!) =
10.10.0.4.58007 >=0D=0A10.10.86.10.53: [bad udp cksum 5042!]  46723+ AAAA=3F=
exchcluster. (29)=0D=0A15:53:08.372708 IP (tos 0x0, ttl 126, id 7951, offse=
t 0, flags [none],=0D=0Aproto: UDP (17), length: 57) 10.10.86.10.53 > 10.10=
=2E0.4.58007: [udp sum=0D=0Aok]  46723 ServFail q: AAAA=3F exchcluster. 0/0=
/0 (29)=0D=0A=0D=0AI have assumed that sendmail on FreeBSD has sendmail's=0D=
=0AWorkAroundBrokenAAAA option but this appears to either not be the case=0D=
=0Aor the option fails to resolve the IP6 issue with W2K3 DNS servers.=0D=0A=0D=
=0AAt this point any and all suggestions (That do not involve removing MS=0D=
=0ADNS and/or Exchange) would be welcome.=0D=0A=0D=0ARegards=0D=0AKevin=20=0D=
=0A=0D=0A_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ =
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o whom they are addressed.=0D=0AIf you have received this e-mail in error p=
lease notify the originator of the message.=20=0D=0A=0D=0AAny views express=
ed in this message are those of the individual sender,=0D=0Aexcept where th=
e sender specifies and with authority, states them to be=0D=0Athe views of =
Merseyside Fire & Rescue Service, (MFRS).=0D=0A=0D=0AIncoming and outgoing =
emails may be monitored in line with current legislation.=0D=0A=0D=0ASteps =
have been taken to ensure that this email and attachments are=20=0D=0Afree =
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ent should ensure they are actually virus free.=0D=0A=0D=0Ahttp://www.merse=
yfire.gov.uk/=0D=0A=0D=0A




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