FAO Kevin Kinsey

[Ceri Davies]

On Tue, Oct 21, 2003 at 10:15:52PM -0500, Kevin D. Kinsey, DaleCo, S.P. wrote:
> Ceri Davies wrote:
> 
> >Kevin,
> >
> >This is retarded.
> >Not only is your MTA rejecting mail and not saying why, but it's also doing
> >it for mail addressed to postmaster.
> >
> >Apologies to the rest of the list, but I'm pretty short of options...
> >
> >Ceri
> >
> >-- 
> > 
> >
> 
> FWIW, I'll apologize; but I think you're the only
> one having this problem.  Not that it's your fault,
> or even aimed at you directly.  Read on.

I came across a bit strongly there, for which I also apologise.

> >It would be a good idea to provide some idea why the mail was blocked.
> >Fancy giving me a clue?
> 
> You caught me slightly off guard.  I get mail
> to "webmaster" and postmaster at daleco.biz
> with great frequency, as well as kdk at .
> 
> A check at DNSreport.com did, however, show
> that my backup MX was rejecting these addresses,
> at least according to the site.  I recently rebuilt
> that box with a larger HDD and apparently missed
> an entry in ~/relay-domains.
> 
> But, that's not even the half of it.  I decided to
> see where you're coming from:
> 
> <kadmin at elisha> [/etc/mail] [21:56] #host shrike.mine.nu
> shrike.mine.nu has address 81.103.67.204
> <kadmin at elisha> [/etc/mail] [21:56] #grep 81. /etc/hosts.allow
> sshd : 64.81.184.138 : deny
> sendmail : 221.113.81.118 : deny
> sendmail : 164.77.181.18 : deny
> sendmail : 164.77.181.33 : deny
> sendmail :  65.57.172.181 : deny
> sendmail : 68.81.193.240 : deny
> sendmail : 204.118.181.49 : deny
> sendmail : 81. : deny
> sendmail : 62.157.81.199 : deny
> 
> Some time ago, sick of spamming, I wrote
> a script that kicks addresses from which
> spam is received into /etc/hosts.allow.
> 
> We also added some entries manually
> during the writing process.
> 
> We caught your entire Class A.  Dunno
> how, exactly.  Lots of junk from there,
> I suppose??
> 
> Yeah, we need a better way.  Maybe
> someday.  Until then, shrike gets
> a better ranking, I suppose.......

Hmm, well I wouldn't do that, as my IP is dynamic.
However, 81/8 is shared over at least 3 ISPs so it might be an
idea to be more granular.

The main point here though is that I relay my mail through 212.250.77.214,
which hopefully isn't on the list above and therefore I'm still not sure why
it's being rejected; if there has been spam going through that machine then
I'd like to know as I'm personally responsible for that host.

> >    Lists and ranges are allowed to co-exist in the same field.  "1-3,7-9"
> >    would be rejected by ATT or BSD cron -- they want to see "1-3" or 
> >    "7,8,9"
> >    ONLY.
> >
> >i.e. this cron does allow it.
> 
> Might we consider making this more clear
> in some manner?  The fact that this is Vixie
> cron, and not BSD cron, would not be obvious
> to the novice.  Witness me, for example... <blush>

;-)  I'll see what I can do.  If this is in contrib/ then we'd
probably need to submit it back to Paul which may take a while longer,
so please bear with it.

> Since these are, at least, casually, the names of
> the two major "branches" of UNIX-like OS's, it's
> relatively easy to assume that the paragraph in
> question is comparing the (native-actually-Visie)
> "BSD" cron to the "ATT"/SysV cron, particularly
> after a long day in the trenches.

Yeah, I can see where the confusion stems from.

Ceri
-- 
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