Would the rdns prevent the sender from connecting at all.
I can see them go through EHLO, MAIL FROM:, RCPT TO:, and even start the
DATA but then it seems that the message does not get completely delivered.
BTW my server.tab has SMTP-RDNSCheck <tab> "1" commented out with a #.
Doesn't this mean that it's off?
----- Original Message -----
From: "Aaron Johnson" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, September 17, 2002 2:51 PM
Subject: [xmail] Re: Why? Why? Why?


>
> On Tue, 2002-09-17 at 14:27, Your Name wrote:
> >
> > I think this is very likely the problem! However, try and get the ISP to
> > admitt or do anything about it!
>
> I had a similar problem on a setup where the people sending the email
> were failing the RDNS (reverse DNS) lookup.  You can test the domains by
> doing a 'dig' (on linux anyway) command (see below).  In that you should
> a long list of who answers for that domain, if you don't then this
> possibly the source of the problem.  You might want to confirm that your
> own server is passing a RDNS test since in our case we had double
> trouble when we found out that mails were not come in because our
> hosting company had improperly setup there DNS records.
>
> Bottom line:  Make sure your DNS and the clients is correct, if theres
> is wrong then turn off the RDNS test in your server.tab
>
> Aaron
>
>
> sample dig output for a good domain:
> ; <<>> DiG 9.2.1 <<>> xmailserver.com
> ;; global options:  printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27004
> ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
>
> ;; QUESTION SECTION:
> ;xmailserver.com. IN A
>
> ;; ANSWER SECTION:
> xmailserver.com. 86400 IN A 208.129.208.51
>
> ;; AUTHORITY SECTION:
> xmailserver.com. 172800 IN NS NS1.MCAFEELABS.com.
> xmailserver.com. 172800 IN NS NS3.MCAFEELABS.com.
>
> ;; ADDITIONAL SECTION:
> NS1.MCAFEELABS.com. 172800 IN A 208.129.208.52
> NS3.MCAFEELABS.com. 172800 IN A 208.129.208.51
>
>
> sample output for a bad domain, notice it has no IP address in it:
>
> ; <<>> DiG 9.2.1 <<>> HIDANT.HIDAROOT.ORG
> ;; global options:  printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 48554
> ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;HIDANT.HIDAROOT.ORG. IN A
>
> ;; AUTHORITY SECTION:
> ORG. 86400 IN SOA A.GTLD-SERVERS.NET. NSTLD.VERISIGN-GRS.COM.
> 2002091700 1800 900 604800 86400
>
>
>
>
> > ----- Original Message -----
> > From: "Robert W. Holder" <[EMAIL PROTECTED]>
> > To: <[EMAIL PROTECTED]>
> > Sent: Tuesday, September 17, 2002 5:08 AM
> > Subject: [xmail] Re: Why? Why? Why?
> >
> >
> > >
> > > Could the ISP of the sender be causing some grief?  If all other
domains
> > > are okay, then it would seem possible that the offending party is on
their
> > > end....  Just a thought.
> > >
> > > /B
> > >
> > > At 09:26 AM 17/09/2002, you wrote:
> > >
> > > >My server.tab file has the line MaxMessageSize 20000 commented out
(#).
> > > >Wouldn't xmail generate an error in the log or send a notification to
the
> > > >sender?
> > > >----- Original Message -----
> > > >From: "Davide Libenzi" <[EMAIL PROTECTED]>
> > > >To: <[EMAIL PROTECTED]>
> > > >Sent: Monday, September 16, 2002 6:56 PM
> > > >Subject: [xmail] Re: Why? Why? Why?
> > > >
> > > >
> > > > >
> > > > > On Mon, 16 Sep 2002, Your Name wrote:
> > > > >
> > > > > > Hello All,
> > > > > >     I am pulling my hair out! There is one domain that cannot
send
> > > >larger messages to us. It seems short messages get through but
messages
> > that
> > > >are long or maybe have attachments do not come through. I have
monitored
> > the
> > > >smtp port with an analyzer and found that everything goes well with
Mail
> > > >From:, Rcpt To: etc. but the data does not complete. In my log I show
a
> > > >valid RCPT line but I don't have a valid RECV line. The message gets
> > > >stopped! Does anyone have any idea why this may be happening?
> > > > >
> > > > > did you set a maximum message size in server.tab ?
> > > > >
> > > > >
> > > > >
> > > > > - Davide
> > > > >
> > > > >
> > > > > -
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in
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> > > > >
> > > > >
> > > >
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