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Re: [PLUG] How To Verify E-Mail
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What Tony is talking about:
telnet mx1.balanced.swarthy.mail.dreamhost.com 25
Trying 208.113.200.31...
Connected to mx1.balanced.swarthy.mail.dreamhost.com.
Escape character is '^]'.
220 swarthymail-mx1.g.dreamhost.com ESMTP
HELO 127.0.0.1
250 swarthymail-mx1.g.dreamhost.com
MAIL FROM: <mail@domain.com>
250 Ok
RCPT TO: <toby@cbcg.net>
554 Service unavailable; Client host [69.139.74.31] blocked using zen.dnsbl; http://www.spamhaus.org/query/bl?ip=69.139.74.31
421 swarthymail-mx1.g.dreamhost.com Error: timeout exceeded
Connection closed by foreign host.
From: Toby DiPasquale [mailto:toby@cbcg.net]
To: Philadelphia Linux User's Group Discussion List [mailto:plug@lists.phillylinux.org]
Sent: Mon, 10 Dec 2007 23:13:31 -0500
Subject: Re: [PLUG] How To Verify E-Mail
On Mon, Dec 10, 2007 at 11:00:46PM -0500, Brian Vagnoni wrote:
> telnet mail.domainname.com 25
>
> helo 127.0.0.1
> MAIL FROM: <name@domain.com>
> RCPT TO: <targetemail@domain.com>
>
> you should see a response of
>
> 250 ok
This is unlikely to produce an error on a lot of anti-spam appliances and
custom configured MTAs. Just so you know, its typically disabled to
prevent address harvesting and dictionary attacks.
--
Toby DiPasquale
___________________________________________________________________________
Philadelphia Linux Users Group -- http://www.phillylinux.org
Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug
___________________________________________________________________________
Philadelphia Linux Users Group -- http://www.phillylinux.org
Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug
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