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Re: strange smtp blockings

potato or woody?
I'm getting the same problems on 2 out of 3 woody boxes (sendmail). the
third works 70% of the time. reverse dns works perfectly to all other hosts.
other interesting thing is that this seems to be an issue mostly with
Microsoft-OS MTAs. There is a known problem with bind 9.x and MS DNS zone
transfers, that may have something to do with it...

----- Original Message -----
From: "Jaume Teixi" <teixi@6tems.com>
To: <debian-isp@lists.debian.org>
Sent: Thursday, July 12, 2001 5:25 PM
Subject: strange smtp blockings

> hello,
> one of my servers has problems sending mail to anothers: Connection
> its not a sendmail issue because telnetting the hosts at 25 also is
> rblcheck doesn-t show any block for its ip
> other ips on same range are not blocked on that hosts
> it happens on some kind of hosts on different networks and with different
mail systems
> on hosts.allow i-ve sendmail: all and on hosts.deny ALL: PARANOID
> I cannot understand this issue, any points?
> tx!
> jaume teixi.
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