On Wed, 2003-11-12 at 15:40, Jack Coates wrote:
> On Wed, 2003-11-12 at 15:16, Michael Holt wrote:
> > On Wed, 2003-11-12 at 14:38, Jack Coates wrote:
> >
> > > Try watching a mail session with ethereal sometime... it's just telnet
> > > to port 25, though a server is faster and has fewer typos than a human.
> > > You can send mails though, -- I posted an example of how to do it
> > > earlier today, with the Dead Kennedies quote, but I think it's still
> > > floating around in Sympa.
> >
> > Ok, I'll check it out :) I'm curious though, I'm still unable to get
> > through to that address via evolution, but squirrelmail goes through
> > just fine. Telnet to that address gets access denied. I tried
> > telnetting to my own server port 25 and it didn't get denied - so -
> > yeah, I believe you. I'm still confused about why I can't email through
> > postfix to that specific email address. I tried it from my wife's
> > laptop using win2k and outlook to my test account and the headers looked
> > almost identical to those of evolution. It obviously works because I'm
> > writing to you right now using evolution. Something in their server is
> > rejecting me based on something that is happening differently on
> > evolution -- what the heck would it be? The only thing that I can see
> > that would be different would be the "received" lines in the headers.
> >
> > Any thoughts?
>
> well, I've only sort of been following this, but if one client gets
> access denied with telnet to 25 and the other doesn't, then the first is
> probably tripping a blacklist rule. Does your wife's laptop connect via
> a VPN (hence via a different network)?
Ok, I think this has gotten confused. My server is hosting web, email,
etc. You can logon from anywhere if you have an account, and use
webmail. When I log on to the web mail server, which is sitting in my
living room - behind the router connected to dsl, I can send email to a
particular person. Now I can also specify that same server as an email
server and connect to it with client machines, i.e., other boxes; with
client mua's, i.e., outlook, evolution, pine, whatever. When I connect
with outlook for example, the "received" line of my email header ends up
looking like this:
Received: from 4.35.151.34 (EHLO servername) (4.35.151.34) by
mta130.mail.sc5.yahoo.com with SMTP; Wed, 12 Nov 2003 12:14:06 -0800
Received: from www.holt-tech.net (unknown
[server.internal.ip.address]) by servername (Postfix) with SMTP id
13833205CFC for <[EMAIL PROTECTED]>; Wed, 12 Nov 2003 15:16:15 -0500
(EST)
When I use squirrelmail (my webmail server) it looks like this:
Received: from 4.35.151.34 (EHLO servername) (4.35.151.34) by
mta130.mail.sc5.yahoo.com with SMTP; Wed, 12 Nov 2003 12:14:06 -0800
Received: from www.holt-tech.net (unknown
[server.internal.ip.address]) by servername (Postfix) with SMTP id
13833205CFC for <[EMAIL PROTECTED]>; Wed, 12 Nov 2003 15:16:15 -0500
(EST)
Received: from evrtwa1-ar17-4-35-151-34.evrtwa1.dsl-verizon.net
([4.35.151.34]) (SquirrelMail authenticated user michael) by
server.internal.ip.address with HTTP; Wed, 12 Nov 2003 12:16:15 -0800
(PST)
Now, I've changed the ip's and machine name's but you get the idea.
This is sent to a test account just to see what the headers end up
like. The problem is that when I email my boss (I'm a contractor and my
point of contact works for this specific company) I get refused and my
email is bounced with this:
connect to
qxssmtp2.qualxserv.com[65.246.197.34]: server refused mail service
Received: from myclientmachine (unknown [192.168.0.4])
by myemailserver (Postfix) with ESMTP id 5E918200099
This is just a snippet but the rest is just email information. I'm not
able to telnet to this person's email server at all, from anywhere.
I'm wondering if they have something set on their server to drop any
email that doesn't show an fqdn in the received string. Maybe to keep
from getting email from a server that's been taken over as a relay? If
this is the case, how would I set postfix so that emails originating
from other boxes on my lan would appear to be the server sending them?
So that the above headers taken from both webmail and client machines
would look identical?
--
Michael Holt
Snohomish, WA (o_
[EMAIL PROTECTED] (o_ (o_ //\
www.holt-tech.net (/)_ (/)_ V_/_ www.mandrakelinux.com
==================================================================<
SysAdmin excuse #173:
Recursive traversal of loopback mount points
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