Larry,
If you check the header of this letter that comes directly to you (not the
copy going to the list), there's a small section about mid way down that
says (IDENT ...). It will say something like:
IDENT glenlee@[EMAIL PROTECTED] Also somewhere in that section
is
the dynamic IP address that I'm currently logged onto the 'net with. If
you do a reverse DNS lookup, that is reverse lookup my dynamic address
while I'm still logged on, the domain listed will be returned as
"[EMAIL PROTECTED]," with XX being a different number each time I
log on and off my ISP. When I send out a letter, the receiving MTA does
this reverse DNS lookup to make sure my machine MTA resolves. If it
doesn't the mail bounces.
The filter that some Linux lists and domains have gone to (I can't mail a
letter to anyone at moongroup.com as they bounce all mail from dial-up
Linux accounts (at least last weekend they were)), is a subscription spam
filter service, http://mail-abuse.org/dul. This particular filter on
mail-abuse checks the sending MTA for a dialup account (there are several
filters they can chose from. This one includes dial-up accounts as banned
sources to block mail from). If the sending MTA shows "dialup" in the
IDENT section then the letter is bounced back to the sender. There's a
polite note from mail-abuse.org included that says, "If you feel we're
abusing you then please contact us." I tried, and my letters to them
bounced also for the same reason.
I've been "ordered" several times by [EMAIL PROTECTED] to change my
configuration to use my ISP as the MTA.
If I do that then all outgoing mail from my box has to read as from
[EMAIL PROTECTED] If it doesn't I receive a very rude automated
letter from my ISP, "we do not relay." This effectively makes my Linux
box worthless, as I personally own 5 domains and have to be able to send
email from here with the proper return email address.
For example, I own and administer the domain www.wesleyan.net. We provide
free web pages for Wesleyan churches, free talk lists, and free web rings.
When I receive mail addressed to [EMAIL PROTECTED] I need to respond
either with the return address of [EMAIL PROTECTED] or
[EMAIL PROTECTED] - something that identifies me with the
Wesleyan.Net domain. The configuration I've been told I HAVE to use
doesn't allow me to do that - all mail leaving this box reads
From: [EMAIL PROTECTED] So I'm forced to use my Windows box to
take care of professional matters. With that the only use I have left for
Linux is in writing and debugging Perl scripts that I use on the domains.
So I've decided not to do that. I'm going to keep this configuration
using my home PC as its own MTA. I was thrown off of 3 lists last weekend
for doing so - [EMAIL PROTECTED], [EMAIL PROTECTED], and
[EMAIL PROTECTED], but I can live without them. As I see it
the concept behind these lists provides a valuable service. Since they're
basically throwing dial-up users who for the most part will be newer to
Linux off the lists they're opening up the door for other enterpreneurs
who are more gifted at diplomacy to start their own similar lists.
That said, if anyone would like to start a list geared at general mail
questions, Sendmail, Fetchmail, etc., that allows dial-up users of Linux
in, sign me up! My email address is:
[EMAIL PROTECTED]
Following is a reverse DNS Perl program you can use to check domain names.
If you run this on my current dynamic address (assuming I don't get
bounced off my ISP and have to relog on, which will change the address),
you can see my account ID with IP address 207.225.144.183 is:
dialupE183.mpls.uswest.net
*****************************************
#!/usr/local/bin/perl
use Socket;
$ip = '207.225.144.183';
$host = gethostbyaddr(&inet_aton($ip), AF_INET);
print "$ip -> $host\n";
exit;
********************************************
Glen
Glen Lee Edwards
[EMAIL PROTECTED]
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
:: "[EMAIL PROTECTED]" for general perl questions
:: [EMAIL PROTECTED]
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
On Mon, 22 Nov 1999, Larry Kelley wrote:
>I'm no mail expert so can't take this very far without doing some research. BUT,
>how do these list operators know your mail server is on a dial-up account? My Linux
>server routes mail directly to the destination. The mail server at my ISP
>doesn't add its own headers. Do you have your Linux box set to relay and are you
>using it as the outgoing mail server for your users (rather than setting the users to
>send through your ISP's MTA)?
>
>Incidentally, I have yet to subscribe to a list that shows this behavior. May I
>ask which one(s) does?
>
>----------
>From: Glen Lee Edwards[SMTP:[EMAIL PROTECTED]]
>Sent: Monday, November 22, 1999 6:38 AM
>To: '[EMAIL PROTECTED]'
>Subject: RE: test post
>
>:)
>
>Larry, <big grin>. The problem isn't with my ISP. They have no objection
>to me running this configuration. The problem is with select members of
>the Linux community (hard to believe, isn't it?). Linux as the operating
>system is GREAT! I've never been more pleased, as I now have a virtual
>domain, 4 cnames, several users, and several personal email accounts that
>I can run off this one box (the one I'm typing into now). I LOVE IT.
>
>The problem is that several Linux list owners have decided that dial-up
>Linux accounts such as you and I run are the perfect attraction for
>current and future spammers, so they've subscribed to a spam blocking
>service that blocks any incoming email from dial-up Linux users that are
>using their Linux box as their MTA.
>
>If anything this proves that Bill Gates is still winning, as he's tricked
>the Linux community into turning on itself and into killing the very
>operating system features that brought most of us from Windows to Linux.
>
>Glen
>
>
>
>On Mon, 22 Nov 1999, Larry Kelley wrote:
>
>>Uh,
>>I haven't read this entire thread, but...
>>I run sendmail on a Linux server on a dial-up ISP account and have 20 users on it,
>>all of whom can send mail as themselves from their Win or Mac desktops.
>>Maybe you need a better ISP?
>>Larry
>>
>>----------
>>From: Glen Lee Edwards[SMTP:[EMAIL PROTECTED]]
>>Sent: Monday, November 22, 1999 5:25 AM
>>To: '[EMAIL PROTECTED]'
>>Subject: RE: test post
>>
>>Charles,
>>
>>Don't play games. I run a virtual domain and 4 cnames off my linux
>>dial-up box, plus I administer several other domains I own that are on
>>other servers from here, and have several users on this box. I've been
>>told I HAVE to use envelope masquerading and if I don't to get lost.
>>Envelope masquerading forces every outgoing letter to read as from my
>>dial-up account address. This makes my Linux box absolutely worthless, as
>>I then can't run a single domain from here for my business, nor can I
>>administer the domains I run off the other servers. If I forward mail to
>>my ISP and use it as the MTA instead (a windows configuration) no mail
>>from here goes out as my ISP rejects mail from my users with a "we don't
>>relay" message. Again all mail sent out HAS to read as from my dial-up
>>account, making Linux on this box worthless.
>>
>>Let's face reality, if you want to use Linux, you better be prepared to
>>spend $500 a month for a leased line (as I was recently quoted) so
>>mailhelp, vger.rutgers.edu, and mail-abuse.org consider you to be a part
>>of the financially elect so you're allowed to use Linux as a Linux box,
>>not a Windows clone.
>>
>>I say again, with the configuration mailhelp and mail-abuse.org/dul are
>>forcing us to use, Linux is absolutely worthless. Under that
>>configuration Windows is more user friendly.
>>
>>
>>Glen
>>
>>
>>
>>
>>
>>On Mon, 22 Nov 1999, Charles Galpin wrote:
>>
>>>Glen
>>>
>>>You have completely missed the boat here. No one is forcing you to not use
>>>your linux box as your MTA. Thousands of us do it every day. You just need
>>>to setup your config properly (as you have been told - and how - already)
>>>
>>>charles
>>>
>>>On Sun, 21 Nov 1999, Glen Lee Edwards wrote:
>>>
>>>> Mike,
>>>>
>>>> Yep. That would work better. The system you just mentioned blocks the IP
>>>> addresses of KNOWN spammers. The system [EMAIL PROTECTED] and
>>>> vger.rutgers.edu use block Linux boxes with dial-up accounts who are using
>>>> their box as their MTA. I find it odd that mailhelp exists to explain to
>>>> us how to use Linux as our own MTA, but when we do so they block us from
>>>> using their site. The configuration they've told me I HAVE to use to
>>>> access their list requires me to use my ISP as my MTA. They might as well
>>>> tell me to bury Linux and use Windows - same end configuration.
>>>>
>>>> I'm truly sorry I use Linux on my home PC. And I'm sorry that I'm
>>>> Internet trash for doing so.
>>>>
>>>> Glen
>>>
>>>I'm truly very happy I use Linux anywhere I can.
>>>
>>>
>>>
>>
>>
>>
>
>
>
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