[TriLUG] sendmail and roadrunner

[Chris Merrill]

I concur.  I am running PostFix on my home server and using dns2go.com as my
dynamic DNS provider - I have experienced no such problems.

David A. Cafaro wrote:

> Maybe a dynamic dns setup using that dns name as your routers.  I use  
> http://www.dyndns.org/ and am very happy with them.  They have Linux 
> clients.
>
> That way when others (xo.com, aol.com.etc..) do a check on your 
> Hostname they will actually get a record for the domain name.  This 
> won't help if they are doing reverse DNS lookups (check the IP, go to 
> the IP owners DNS servers and do a lookup for the dns that matches the 
> IP).  But your error looks more like a hostname lookup than a reverse 
> dns lookup.
>
> -David
>
>
>
> At 08:50 AM 2/26/2002, you wrote:
>
>> Is anyone out there using their primary roadrunner machine (i.e. the 
>> one with
>> the "live" IP address) as a mail relay host?  Most domains accept my 
>> mail
>> just fine but others (xo.com, aol.com most noteably) reject my mail 
>> returning
>> some version of the following error:
>>
>> ... while talking to triton.xo.com.:
>> >>> MAIL From:<greg at paloverde.nc.rr.com> SIZE=866
>> <<< 501 5.1.8 <greg at paloverde.nc.rr.com>... Sender domain must exist
>>
>> I imagine this is due to roadrunner not adding my host name, 
>> paloverde, to
>> DNS when it assigns the IP address.  So, the question becomes is 
>> there any
>> way to fix this so I can mail my partents at their AOL address using my
>> machine (paloverde) as a mail router?  And, just in case anyone is 
>> worried, I
>> am an avid anti-spammer and I'm not trying to use my machine to spam.
>>
>> I am running RH 7.1 and I checked the /etc/mail/sendmail.mc file but 
>> I can't
>> see anywhere in the file where I can fix this problem.
>>
>> Any help would be greatly appreciated.
>>
>> Thanks!
>>
>> Greg
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>
>
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-- 
*********************************
Chris Merrill
cmerrill at nc.rr.com
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