Doug,
A bit of work with nslookup on all those domains that have
"criticalpath.net" appended in the session transcript provides part of the
answer. That same "inbound.domain.name.criticalpath.net" format is used
in their MX records. In other words, the MX for mireles.com is
inbound.mireles.com.criticalpath.net, the MX for blakely.com is
inbound.blakely.com.criticalpath.net, and so on.
Critical Path is a company that among other things provides secure e-mail
services for businesses. Apparently Critical Path provides MX service for
the business, accepting all mail bound for the business, filtering it
in various ways, then sending it on to the company's real mail server.
My guess is that one of the filtering services Critical Path provides is
spam filtering, and that for some reason their filter is seeing mail from
your list as spam. It's impossible to say why without seeing a few sample
list messages with full headers.
One thing you might want to try: By default, Majordomo adds a
"Precedence: bulk" line to the header. That is controlled by an entry in
your list.conf file. Edit that line in list.conf to change the precedence
to "list". Then send a test message to the list and see if Critical
Path's filters still reject the message.
On Sun, 4 Feb 2001, Doug Brewer wrote:
> Follows is the text I received:
>
> ----- Transcript of session follows -----
> Receiving 24
> ... while talking to inbound.mireles.com.criticalpath.net.:
> >>> DATA
> <<< 554 Your message has been returned by our UCE/spam filter. (#5.7.1)
> 554 delano@mireles.com ... Service unavailable
> ... while talking to inbound.blakely.com.criticalpath.net.:
> >>> DATA
> <<< 554 Your message has been returned by our UCE/spam filter. (#5.7.1)
> 554 Bob@Blakely.com ... Service unavailable
> ... while talking to inbound.scienceteachers.com.criticalpath.net.:
> >>> DATA
> <<< 554 Your message has been returned by our UCE/spam filter. (#5.7.1)
> 554 wmkane@scienceteachers.com ... Service unavailable
> ... while talking to smtp-gw-2.msn.com.:
> >>> EHLO noc002.aitg.com
> <<< 451 Timeout waiting for client input
> ... while talking to v1.atlas.cz.:
> >>> QUIT
> <<< 421-Version: 5.5.1877.357.35 Service not available, closing transmission channel
> 451 canislupus@atlas.cz ... reply: read error from v1.atlas.cz.
> buddha@operamail.com ... Deferred: Connection timed out with operamail.com.
> ... while talking to inbound.peoplepc.com.criticalpath.net.:
> >>> DATA
> <<< 554 Your message has been returned by our UCE/spam filter. (#5.7.1)
> 554 kwaller@peoplepc.com ... Service unavailable
> ... while talking to inbound.abbott-pcs.com.criticalpath.net.:
> >>> EHLO noc002.aitg.com
> <<< 451 timeout (#4.4.2)
> alan@abbott-pcs.com ... Deferred: Connection reset by inbound.abbott-pcs.com.criticalpath.net.
> mtomik@transprojekt.com.pl... Deferred: Connection refused by lion.transprojekt.krakow.pl.
> joe@wavemetrics.com... Deferred: Connection timed out with mx9.smtp.psi.net.
>
> Odd that every address has "criticalpath.net" attached to it. Is this
> normal?
>
> Perplexed,
>
> Doug
--
Chip Old (Francis E. Old) E-Mail: fold@bcpl.net
Manager, BCPL Network Services Voice: 410-887-6180
Manager, BCPL.NET Internet Services FAX: 410-887-2091
Baltimore County Public Library ICBM: 39.39910 N
320 York Road 76.60300 W
Towson, Maryland 21204 U.S.A.
References:
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