[Dshield] smtp test for open relay

Ed Truitt ed.truitt at etee2k.net
Mon Jun 23 14:24:57 GMT 2003


Actually, if you do this you will be testing mail-abuse.org's machine for an
open relay condition, if I read this correctly.  I don't think that is what
you had in mind (though it would be deliciously ironic if they had an open
relay ;-)


Cheers,
Ed Truitt
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http://www.etee2k.net
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----- Original Message ----- 
From: "Blanchard, Joe" <BLANCHAJ at bsci.com>
To: "General DShield Discussion List" <list at dshield.org>
Sent: Monday, June 23, 2003 8:37 AM
Subject: RE: [Dshield] smtp test for open relay


> Try telnet relay-test.mail-abuse.org 25
>
> Without the 25 you'll be attempting a telnet session and
> not a SMTP session.
> After connecting, you'll need to spoof an SMTP transaction
> using the traditional helo, mail from: , and rcpt to:
> followed by data then the content.
>
> cheers
> -Joe
>
> -----Original Message-----
> From: Fred Grayson [mailto:fred at fred-grayson.net]
> Sent: Monday, June 23, 2003 9:12 AM
> To: list at dshield.org
> Subject: [Dshield] smtp test for open relay
>
>
> >Hi.
> >
> >Do you have links to ips web sites (or others) that test for open
> >relays for an IP ?  I've got one to test and I don't know where to go.
>
> If you have access to the machine running the mail server itself, you can
> test it. Just run this from a shell:
>
> telnet relay-test.mail-abuse.org
>
>
>
>
>
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