Earthlink SMTP (was Re: [TriLUG] kmail cannot send mail)

[Daniel Monjar]

if you use EHLO instead of HELO you'll see some cooler options...

--On Thursday, September 19, 2002 5:01 PM -0400 Jeremy Portzer 
<jeremyp at pobox.com> wrote:

> On Thu, 19 Sep 2002, Mike Mueller wrote:
>
>> I was wondering about "mclean" and sometimes "barry".  I tried to fake
>> them out by using smtp.bogus.com and I couldn't get connected.  It seems
>> that I have to use a real smtp server.  The second time I tried to use
>> smtp.oreilly.com I got busted with a message about not allowing
>> relaying.  Did smtp.oreilly.com get wise the second time?  Does this
>> "transparent proxy"  participate in the protocol enchange somehow?  Is
>> there a logging option I can use to watch the exchange?  I could get out
>> Ethereal and capture the exchange too.
>
> You can just telnet to port 25 and see for yourself whether you're
> connecting to the real server or the proxy.  SMTP is a very simple
> plaintext protocol.  See
> http://www.siscom.net/~welter/professional/smtp.html for a sample list
> (there are numerous others).  All you need to know are HELO, MAIL FROM,
> RCPT TO, and DATA.  (Usually it will tell you after "RCPT TO" whether
> relaying is allowed.)
>
> --Jeremy
>
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--
Daniel Monjar
IS Manager, Technical Services
bioMérieux, Inc.
Durham, NC US