Mail servers that don't handle greylisting correctly

Alan Munday dccmail@brightheadtechnology.com
Wed Oct 6 18:09:54 UTC 2004


> -----Original Message-----
> From: dcc-admin@rhyolite.com [mailto:dcc-admin@rhyolite.com] 
> On Behalf Of Gary Mills
> Sent: Wednesday, October 06, 2004 6:51 PM
> To: dcc@calcite.rhyolite.com
> Subject: Mail servers that don't handle greylisting correctly
> 
> 
> Since this subject has arisen recently, I'm enclosing my file 
> of broken e-mail servers that don't respond correctly to DCC 
> greylisting.  This file, which I call no-retry.wh, is 
> included in my grey_whitelist file. I've tried to determine 
> which e-mail server each site is running, but some of them 
> are hidden behind firewalls.  You may notice some servers 
> that should be avoided if you value reliable e-mail.
> 

And FWIW Postgrey has the following in its list of broken servers.

Alan

# postgrey whitelist for mail client hostnames
# --------------------------------------------
# put this file in /etc/postfix or specify its path
# with --whitelist-clients=xxx

# greylisting.org: Southwest Airlines (unique sender, no retry)
southwest.com
# greylisting.org: Yahoo Groups servers (no retry)
scd.yahoo.com
# greylisting.org: isp.belgacom.be (wierd retry pattern)
isp.belgacom.be
# greylisting.org: Ameritrade (no retry)
ameritradeinfo.com
# greylisting.org: Amazon.com (unique sender with letters)
amazon.com
# 2004-05-20: Linux kernel mailing-list (unique sender with letters)
vger.kernel.org
# 2004-06-02: karger.ch, no retry
karger.ch
# 2004-06-02: lilys.ch, (slow: 4 hours)
server-x001.hostpoint.ch
# 2004-06-09: roche.com (no retry)
gw.bas.roche.com
# 2004-06-09: newsletter (no retry)
mail.hhlaw.com
# 2004-06-09: no retry (reported by Ralph Hildebrandt)
prd051.appliedbiosystems.com
# 2004-06-17: swissre.com (no retry)
swissre.com
# 2004-06-17: dowjones.com newsletter (unique sender with letters)
returns.dowjones.com
# 2004-06-18: switch.ch (works but personnel is confused by the error)
domin.switch.ch
# 2004-06-23: accor-hotels.com (slow: 6 hours)
accor-hotels.com
# 2004-06-29: rr.com (no retry, reported by Duncan Hill)
/^ms-smtp.*\.rr\.com$/
# 2004-06-29: cox.net (no retry, reported by Duncan Hill)
/^lake.*mta.*\.cox\.net$/
# 2004-06-29: motorola.com (no retry)
mot.com
# 2004-07-01: nic.fr (address verification, reported by Arnaud Launay)
nic.fr
# 2004-07-01: verizon.net (address verification, reported by Bill Moran and
Eric)
/^sc\d+pub\.verizon\.net$/
# 2004-07-02: cs.columbia.edu (no retry)
cs.columbia.edu
# 2004-07-02: papersinvited.com (no retry)
66.216.126.174
# 2004-07-02: telekom.de (slow: 6 hours)
/^mail\d+\.telekom\.de$/
# 2004-07-04: tiscali.dk (slow: 12 hours, reported by Klaus Alexander
Seistrup)
/^smtp\d+\.tiscali\.dk$/
# 2004-07-04: freshmeat.net (address verification)
freshmeat.net
# 2004-07-11: zd-swx.com (unique sender with letters, reported by Bill
Landry)
zd-swx.com
# 2004-07-11: lockergnome.wc09.net (unique sender with letters, reported by
Bill Landry)
lockergnome.wc09.net
# 2004-07-19: mxlogic.net (no retry, reported by Eric)
p01m168.mxlogic.net
p02m169.mxlogic.net
# 2004-09-08: intel.com (pool on different subnets) 
/^fmr\d+\.intel\.com$/




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