ISPs blocking SMTP connections from dynamic IP address space
Bill Campbell
freebsd at celestial.com
Mon Jun 7 22:52:13 PDT 2004
On Mon, Jun 07, 2004, Jay Moore wrote:
>On Monday 07 June 2004 10:29 am, Bill Moran wrote:
>
>> > Just make sure they are truly dynamic ips. Many people block ips
>> > identified as "DSL" connections. Those are not necessarily dynamic ip
>> > based.
>
>The easiest way I've found to learn if your IP address is "listed", and who is
>listing it is:
>
>http://www.dnsstuff.com/
Telnet to port 25 of any of AOL's MX servers. You will get an
immediate rejection notice if they think you're in residential
DSL space:
mailin-01.mx.aol.com
mailin-02.mx.aol.com
mailin-03.mx.aol.com
mailin-04.mx.aol.com
Bill
--
INTERNET: bill at Celestial.COM Bill Campbell; Celestial Software LLC
UUCP: camco!bill PO Box 820; 6641 E. Mercer Way
FAX: (206) 232-9186 Mercer Island, WA 98040-0820; (206) 236-1676
URL: http://www.celestial.com/
``Rightful liberty is unobstructed action according to our will within
limits drawn around us by the equal rights of others. I do not add 'within
the limits of the law' because law is often but the tyrant's will, and
always so when it violates the rights of the individual.''
-Thomas Jefferson
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