Domains spoofs

Doc Schneider doc at maddoc.net
Wed May 3 06:04:34 IST 2006


Alex Neuman van der Hans wrote:
> Doc Schneider wrote:
>> Thanks Alex. I will block those "noreply@" and guess I'll need to make 
>> sure to add noreply at freshmeat.net as being OK--since that is how they 
>> send out their project updates and whatnot. But I'll also look for that
>> "block bad helo hack" on sendmail.org and see if that is what I need 
>> to use.
>>
>> Thanks again!
>>
> http://www.cs.niu.edu/~rickert/cf/bad-ehlo.html
> http://www.cs.niu.edu/~rickert/cf/hack/block_bad_helo.m4
> 
> The html file explains that AUTH'd clients could be blocked if their 
> "HELO" is malformed (aka some versions of LookOut! and LookOut! Express, 
> and certain Windows configurations). You may want to look into 
> "delay_checks" and other ways to make sure local clients will be able to 
> send out e-mail.

I've been using Delay_checks since it found its way into sendmail. 8*))

Waz ist das Windows? <giggle> Mostly I run mailing lists and of course 
some clients who host their domains with us and none of them are using 
LookOut! Or LO Xpress! I let people know about Thunderbird and everyone 
who uses my servers uses it. Of course I use mine via KDE on X.

Am reading about that hack right now. Thanks again.

-- 
-Doc
Lincoln, NE.
http://www.genealogyforyou.com/
http://www.cairnproductions.com/



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